From 06c3af9b60c99b86424c9f9626f976bcf1bf5b5e Mon Sep 17 00:00:00 2001
From: Adam Magness <adam.magness@gmail.com>
Date: Thu, 9 Nov 2017 11:05:18 -0500
Subject: [PATCH] Move Cache to src

relocate the cache class to Friendica\Core namespace
---
 boot.php                                  | 586 ++++++++++++----------
 include/Photo.php                         |   1 +
 include/bbcode.php                        |   1 +
 include/cronjobs.php                      |   1 +
 include/discover_poco.php                 |   2 +-
 include/gprobe.php                        |   2 +-
 include/identity.php                      | 347 +++++++------
 include/oembed.php                        |   1 +
 include/ostatus.php                       | 535 +++++++++++---------
 include/photos.php                        |   2 +-
 include/queue.php                         |  31 +-
 include/session.php                       |  49 +-
 include/socgraph.php                      |   1 +
 mod/ping.php                              |  94 ++--
 mod/poco.php                              |   1 +
 mod/search.php                            |   1 +
 src/App.php                               |   2 +-
 src/Core/Cache.php                        | 243 +++++++++
 src/Network/Probe.php                     |   2 +-
 src/Protocol/Diaspora.php                 |   2 +-
 vendor/pear/text_languagedetect/phpcs.xml |   1 +
 21 files changed, 1177 insertions(+), 728 deletions(-)
 create mode 100644 src/Core/Cache.php

diff --git a/boot.php b/boot.php
index 95d1b52fd1..4e20058bcf 100644
--- a/boot.php
+++ b/boot.php
@@ -18,10 +18,11 @@
  * easily as email does today.
  */
 
-require_once(__DIR__ . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php');
+require_once __DIR__ . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
 
 use Friendica\App;
 use Friendica\Core\System;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
@@ -34,18 +35,17 @@ require_once 'include/text.php';
 require_once 'include/datetime.php';
 require_once 'include/pgettext.php';
 require_once 'include/nav.php';
-require_once 'include/cache.php';
 require_once 'include/features.php';
 require_once 'include/identity.php';
 require_once 'update.php';
 require_once 'include/dbstructure.php';
 require_once 'include/poller.php';
 
-define ( 'FRIENDICA_PLATFORM',     'Friendica');
-define ( 'FRIENDICA_CODENAME',     'Asparagus');
-define ( 'FRIENDICA_VERSION',      '3.6-dev' );
-define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
-define ( 'DB_UPDATE_VERSION',      1235      );
+define('FRIENDICA_PLATFORM',     'Friendica');
+define('FRIENDICA_CODENAME',     'Asparagus');
+define('FRIENDICA_VERSION',      '3.6-dev');
+define('DFRN_PROTOCOL_VERSION',  '2.23');
+define('DB_UPDATE_VERSION',      1235);
 
 /**
  * @brief Constant with a HTML line break.
@@ -54,8 +54,8 @@ define ( 'DB_UPDATE_VERSION',      1235      );
  * feed for the source.
  * This can be used in HTML and JavaScript where needed a line break.
  */
-define ( 'EOL',                    "<br />\r\n"     );
-define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
+define('EOL',                    "<br />\r\n");
+define('ATOM_TIME',              'Y-m-d\TH:i:s\Z');
 
 /**
  * @brief Image storage quality.
@@ -65,17 +65,15 @@ define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  * $a->config['system']['jpeg_quality'] = n;
  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  * below about 50
- *
  */
-define ( 'JPEG_QUALITY',            100  );
+define('JPEG_QUALITY',            100);
 
 /**
  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  */
-define ( 'PNG_QUALITY',             8  );
+define('PNG_QUALITY',             8);
 
 /**
- *
  * An alternate way of limiting picture upload sizes. Specify the maximum pixel
  * length that pictures are allowed to be (for non-square pictures, it will apply
  * to the longest side). Pictures longer than this length will be resized to be
@@ -88,14 +86,13 @@ define ( 'PNG_QUALITY',             8  );
  *
  * If you don't want to set a maximum length, set to -1. The default value is
  * defined by 'MAX_IMAGE_LENGTH' below.
- *
  */
-define ( 'MAX_IMAGE_LENGTH',        -1  );
+define('MAX_IMAGE_LENGTH',        -1);
 
 /**
  * Not yet used
  */
-define ( 'DEFAULT_DB_ENGINE',  'InnoDB' );
+define('DEFAULT_DB_ENGINE',  'InnoDB');
 
 /**
  * @name SSL Policy
@@ -103,9 +100,9 @@ define ( 'DEFAULT_DB_ENGINE',  'InnoDB' );
  * SSL redirection policies
  * @{
  */
-define ( 'SSL_POLICY_NONE',         0 );
-define ( 'SSL_POLICY_FULL',         1 );
-define ( 'SSL_POLICY_SELFSIGN',     2 );
+define('SSL_POLICY_NONE',         0);
+define('SSL_POLICY_FULL',         1);
+define('SSL_POLICY_SELFSIGN',     2);
 /* @}*/
 
 /**
@@ -114,11 +111,11 @@ define ( 'SSL_POLICY_SELFSIGN',     2 );
  * log levels
  * @{
  */
-define ( 'LOGGER_NORMAL',          0 );
-define ( 'LOGGER_TRACE',           1 );
-define ( 'LOGGER_DEBUG',           2 );
-define ( 'LOGGER_DATA',            3 );
-define ( 'LOGGER_ALL',             4 );
+define('LOGGER_NORMAL',          0);
+define('LOGGER_TRACE',           1);
+define('LOGGER_DEBUG',           2);
+define('LOGGER_DATA',            3);
+define('LOGGER_ALL',             4);
 /* @}*/
 
 /**
@@ -127,14 +124,14 @@ define ( 'LOGGER_ALL',             4 );
  * Cache levels
  * @{
  */
-define ( 'CACHE_MONTH',            0 );
-define ( 'CACHE_WEEK',             1 );
-define ( 'CACHE_DAY',              2 );
-define ( 'CACHE_HOUR',             3 );
-define ( 'CACHE_HALF_HOUR',        4 );
-define ( 'CACHE_QUARTER_HOUR',     5 );
-define ( 'CACHE_FIVE_MINUTES',     6 );
-define ( 'CACHE_MINUTE',           7 );
+define('CACHE_MONTH',            0);
+define('CACHE_WEEK',             1);
+define('CACHE_DAY',              2);
+define('CACHE_HOUR',             3);
+define('CACHE_HALF_HOUR',        4);
+define('CACHE_QUARTER_HOUR',     5);
+define('CACHE_FIVE_MINUTES',     6);
+define('CACHE_MINUTE',           7);
 /* @}*/
 
 /**
@@ -143,10 +140,12 @@ define ( 'CACHE_MINUTE',           7 );
  * Registration policies
  * @{
  */
-define ( 'REGISTER_CLOSED',        0 );
-define ( 'REGISTER_APPROVE',       1 );
-define ( 'REGISTER_OPEN',          2 );
-/** @}*/
+define('REGISTER_CLOSED',        0);
+define('REGISTER_APPROVE',       1);
+define('REGISTER_OPEN',          2);
+/**
+ * @}
+*/
 
 /**
  * @name Contact_is
@@ -154,10 +153,12 @@ define ( 'REGISTER_OPEN',          2 );
  * Relationship types
  * @{
  */
-define ( 'CONTACT_IS_FOLLOWER', 1);
-define ( 'CONTACT_IS_SHARING',  2);
-define ( 'CONTACT_IS_FRIEND',   3);
-/** @}*/
+define('CONTACT_IS_FOLLOWER', 1);
+define('CONTACT_IS_SHARING',  2);
+define('CONTACT_IS_FRIEND',   3);
+/**
+ *  @}
+ */
 
 /**
  * @name Update
@@ -165,9 +166,11 @@ define ( 'CONTACT_IS_FRIEND',   3);
  * DB update return values
  * @{
  */
-define ( 'UPDATE_SUCCESS', 0);
-define ( 'UPDATE_FAILED',  1);
-/** @}*/
+define('UPDATE_SUCCESS', 0);
+define('UPDATE_FAILED',  1);
+/**
+ * @}
+ */
 
 /**
  * @name page/profile types
@@ -180,13 +183,15 @@ define ( 'UPDATE_FAILED',  1);
  *
  * @{
  */
-define ( 'PAGE_NORMAL',            0 );
-define ( 'PAGE_SOAPBOX',           1 );
-define ( 'PAGE_COMMUNITY',         2 );
-define ( 'PAGE_FREELOVE',          3 );
-define ( 'PAGE_BLOG',              4 );
-define ( 'PAGE_PRVGROUP',          5 );
-/** @}*/
+define('PAGE_NORMAL',            0);
+define('PAGE_SOAPBOX',           1);
+define('PAGE_COMMUNITY',         2);
+define('PAGE_FREELOVE',          3);
+define('PAGE_BLOG',              4);
+define('PAGE_PRVGROUP',          5);
+/**
+ * @}
+ */
 
 /**
  * @name account types
@@ -204,11 +209,13 @@ define ( 'PAGE_PRVGROUP',          5 );
  *	Associated page types: PAGE_COMMUNITY, PAGE_PRVGROUP
  * @{
  */
-define ( 'ACCOUNT_TYPE_PERSON',      0 );
-define ( 'ACCOUNT_TYPE_ORGANISATION',1 );
-define ( 'ACCOUNT_TYPE_NEWS',        2 );
-define ( 'ACCOUNT_TYPE_COMMUNITY',   3 );
-/** @}*/
+define('ACCOUNT_TYPE_PERSON',      0);
+define('ACCOUNT_TYPE_ORGANISATION', 1);
+define('ACCOUNT_TYPE_NEWS',        2);
+define('ACCOUNT_TYPE_COMMUNITY',   3);
+/**
+ * @}
+ */
 
 /**
  * @name CP
@@ -216,10 +223,12 @@ define ( 'ACCOUNT_TYPE_COMMUNITY',   3 );
  * Type of the community page
  * @{
  */
-define ( 'CP_NO_COMMUNITY_PAGE',   -1 );
-define ( 'CP_USERS_ON_SERVER',     0 );
-define ( 'CP_GLOBAL_COMMUNITY',    1 );
-/** @}*/
+define('CP_NO_COMMUNITY_PAGE',   -1);
+define('CP_USERS_ON_SERVER',     0);
+define('CP_GLOBAL_COMMUNITY',    1);
+/**
+ * @}
+ */
 
 /**
  * @name Protocols
@@ -234,7 +243,9 @@ define('PROTOCOL_OSTATUS_SALMON',  3);
 define('PROTOCOL_OSTATUS_FEED',    4); // Deprecated
 define('PROTOCOL_GS_CONVERSATION', 5); // Deprecated
 define('PROTOCOL_SPLITTED_CONV',   6);
-/** @}*/
+/**
+ * @}
+ */
 
 /**
  * @name Network
@@ -242,28 +253,30 @@ define('PROTOCOL_SPLITTED_CONV',   6);
  * Network and protocol family types
  * @{
  */
-define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
-define ( 'NETWORK_ZOT',              'zot!');    // Zot!
-define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
-define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
-define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
-define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
-define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
-define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
-define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
-define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
-define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
-define ( 'NETWORK_GPLUS',            'goog');    // Google+
-define ( 'NETWORK_PUMPIO',           'pump');    // pump.io
-define ( 'NETWORK_TWITTER',          'twit');    // Twitter
-define ( 'NETWORK_DIASPORA2',        'dspc');    // Diaspora connector
-define ( 'NETWORK_STATUSNET',        'stac');    // Statusnet connector
-define ( 'NETWORK_APPNET',           'apdn');    // app.net
-define ( 'NETWORK_NEWS',             'nntp');    // Network News Transfer Protocol
-define ( 'NETWORK_ICALENDAR',        'ical');    // iCalendar
-define ( 'NETWORK_PNUT',             'pnut');    // pnut.io
-define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
-/** @}*/
+define('NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
+define('NETWORK_ZOT',              'zot!');    // Zot!
+define('NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
+define('NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
+define('NETWORK_DIASPORA',         'dspr');    // Diaspora
+define('NETWORK_MAIL',             'mail');    // IMAP/POP
+define('NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
+define('NETWORK_FACEBOOK',         'face');    // Facebook API
+define('NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
+define('NETWORK_XMPP',             'xmpp');    // XMPP
+define('NETWORK_MYSPACE',          'mysp');    // MySpace
+define('NETWORK_GPLUS',            'goog');    // Google+
+define('NETWORK_PUMPIO',           'pump');    // pump.io
+define('NETWORK_TWITTER',          'twit');    // Twitter
+define('NETWORK_DIASPORA2',        'dspc');    // Diaspora connector
+define('NETWORK_STATUSNET',        'stac');    // Statusnet connector
+define('NETWORK_APPNET',           'apdn');    // app.net
+define('NETWORK_NEWS',             'nntp');    // Network News Transfer Protocol
+define('NETWORK_ICALENDAR',        'ical');    // iCalendar
+define('NETWORK_PNUT',             'pnut');    // pnut.io
+define('NETWORK_PHANTOM',          'unkn');    // Place holder
+/**
+ * @}
+ */
 
 /**
  * These numbers are used in stored permissions
@@ -298,12 +311,12 @@ $netgroup_ids = array(
 /**
  * Maximum number of "people who like (or don't like) this"  that we will list by name
  */
-define ( 'MAX_LIKERS',    75);
+define('MAX_LIKERS',    75);
 
 /**
  * Communication timeout
  */
-define ( 'ZCURL_TIMEOUT' , (-1));
+define('ZCURL_TIMEOUT', (-1));
 
 /**
  * @name Notify
@@ -311,21 +324,21 @@ define ( 'ZCURL_TIMEOUT' , (-1));
  * Email notification options
  * @{
  */
-define ( 'NOTIFY_INTRO',    0x0001 );
-define ( 'NOTIFY_CONFIRM',  0x0002 );
-define ( 'NOTIFY_WALL',     0x0004 );
-define ( 'NOTIFY_COMMENT',  0x0008 );
-define ( 'NOTIFY_MAIL',     0x0010 );
-define ( 'NOTIFY_SUGGEST',  0x0020 );
-define ( 'NOTIFY_PROFILE',  0x0040 );
-define ( 'NOTIFY_TAGSELF',  0x0080 );
-define ( 'NOTIFY_TAGSHARE', 0x0100 );
-define ( 'NOTIFY_POKE',     0x0200 );
-define ( 'NOTIFY_SHARE',    0x0400 );
-
-define ( 'SYSTEM_EMAIL',    0x4000 );
-
-define ( 'NOTIFY_SYSTEM',   0x8000 );
+define('NOTIFY_INTRO',    0x0001);
+define('NOTIFY_CONFIRM',  0x0002);
+define('NOTIFY_WALL',     0x0004);
+define('NOTIFY_COMMENT',  0x0008);
+define('NOTIFY_MAIL',     0x0010);
+define('NOTIFY_SUGGEST',  0x0020);
+define('NOTIFY_PROFILE',  0x0040);
+define('NOTIFY_TAGSELF',  0x0080);
+define('NOTIFY_TAGSHARE', 0x0100);
+define('NOTIFY_POKE',     0x0200);
+define('NOTIFY_SHARE',    0x0400);
+
+define('SYSTEM_EMAIL',    0x4000);
+
+define('NOTIFY_SYSTEM',   0x8000);
 /* @}*/
 
 
@@ -335,17 +348,17 @@ define ( 'NOTIFY_SYSTEM',   0x8000 );
  * Tag/term types
  * @{
  */
-define ( 'TERM_UNKNOWN',   0 );
-define ( 'TERM_HASHTAG',   1 );
-define ( 'TERM_MENTION',   2 );
-define ( 'TERM_CATEGORY',  3 );
-define ( 'TERM_PCATEGORY', 4 );
-define ( 'TERM_FILE',      5 );
-define ( 'TERM_SAVEDSEARCH', 6 );
-define ( 'TERM_CONVERSATION', 7 );
-
-define ( 'TERM_OBJ_POST',  1 );
-define ( 'TERM_OBJ_PHOTO', 2 );
+define('TERM_UNKNOWN',   0);
+define('TERM_HASHTAG',   1);
+define('TERM_MENTION',   2);
+define('TERM_CATEGORY',  3);
+define('TERM_PCATEGORY', 4);
+define('TERM_FILE',      5);
+define('TERM_SAVEDSEARCH', 6);
+define('TERM_CONVERSATION', 7);
+
+define('TERM_OBJ_POST',  1);
+define('TERM_OBJ_PHOTO', 2);
 
 /**
  * @name Namespaces
@@ -353,22 +366,22 @@ define ( 'TERM_OBJ_PHOTO', 2 );
  * Various namespaces we may need to parse
  * @{
  */
-define ( 'NAMESPACE_ZOT',             'http://purl.org/zot' );
-define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
-define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
-define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
-define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
-define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
-define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
-define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
-define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
-define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
-define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
-define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
-define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
-define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
-define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
-define ( 'NAMESPACE_MASTODON',        'http://mastodon.social/schema/1.0' );
+define('NAMESPACE_ZOT',             'http://purl.org/zot');
+define('NAMESPACE_DFRN',            'http://purl.org/macgirvin/dfrn/1.0');
+define('NAMESPACE_THREAD',          'http://purl.org/syndication/thread/1.0');
+define('NAMESPACE_TOMB',            'http://purl.org/atompub/tombstones/1.0');
+define('NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/');
+define('NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/');
+define('NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia');
+define('NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env');
+define('NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe');
+define('NAMESPACE_GEORSS',          'http://www.georss.org/georss');
+define('NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0');
+define('NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from');
+define('NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0');
+define('NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/');
+define('NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom');
+define('NAMESPACE_MASTODON',        'http://mastodon.social/schema/1.0');
 /* @}*/
 
 /**
@@ -377,46 +390,46 @@ define ( 'NAMESPACE_MASTODON',        'http://mastodon.social/schema/1.0' );
  * Activity stream defines
  * @{
  */
-define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
-define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
-define ( 'ACTIVITY_ATTEND',      NAMESPACE_ZOT             . '/activity/attendyes' );
-define ( 'ACTIVITY_ATTENDNO',    NAMESPACE_ZOT             . '/activity/attendno' );
-define ( 'ACTIVITY_ATTENDMAYBE', NAMESPACE_ZOT             . '/activity/attendmaybe' );
-
-define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
-
-define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
-define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
-define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
-define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
-define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
-define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
-
-define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
-define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
-define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
-define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
-define ( 'ACTIVITY_UNFAVORITE',  NAMESPACE_ACTIVITY_SCHEMA . 'unfavorite' );
-define ( 'ACTIVITY_SHARE',       NAMESPACE_ACTIVITY_SCHEMA . 'share' );
-define ( 'ACTIVITY_DELETE',      NAMESPACE_ACTIVITY_SCHEMA . 'delete' );
-
-define ( 'ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke' );
-define ( 'ACTIVITY_MOOD',        NAMESPACE_ZOT . '/activity/mood' );
-
-define ( 'ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark' );
-define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
-define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
-define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
-define ( 'ACTIVITY_OBJ_IMAGE',   NAMESPACE_ACTIVITY_SCHEMA . 'image' );
-define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
-define ( 'ACTIVITY_OBJ_VIDEO',   NAMESPACE_ACTIVITY_SCHEMA . 'video' );
-define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
-define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
-define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
-define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
-define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
-define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
-define ( 'ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question' );
+define('ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like');
+define('ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike');
+define('ACTIVITY_ATTEND',      NAMESPACE_ZOT             . '/activity/attendyes');
+define('ACTIVITY_ATTENDNO',    NAMESPACE_ZOT             . '/activity/attendno');
+define('ACTIVITY_ATTENDMAYBE', NAMESPACE_ZOT             . '/activity/attendmaybe');
+
+define('ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart');
+
+define('ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend');
+define('ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend');
+define('ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend');
+define('ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow');
+define('ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following');
+define('ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join');
+
+define('ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post');
+define('ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update');
+define('ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag');
+define('ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite');
+define('ACTIVITY_UNFAVORITE',  NAMESPACE_ACTIVITY_SCHEMA . 'unfavorite');
+define('ACTIVITY_SHARE',       NAMESPACE_ACTIVITY_SCHEMA . 'share');
+define('ACTIVITY_DELETE',      NAMESPACE_ACTIVITY_SCHEMA . 'delete');
+
+define('ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke');
+define('ACTIVITY_MOOD',        NAMESPACE_ZOT . '/activity/mood');
+
+define('ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark');
+define('ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment');
+define('ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note');
+define('ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person');
+define('ACTIVITY_OBJ_IMAGE',   NAMESPACE_ACTIVITY_SCHEMA . 'image');
+define('ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo');
+define('ACTIVITY_OBJ_VIDEO',   NAMESPACE_ACTIVITY_SCHEMA . 'video');
+define('ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo');
+define('ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album');
+define('ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event');
+define('ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group');
+define('ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm');
+define('ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile');
+define('ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question');
 /* @}*/
 
 /**
@@ -425,9 +438,9 @@ define ( 'ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question' );
  * Item weight for query ordering
  * @{
  */
-define ( 'GRAVITY_PARENT',       0);
-define ( 'GRAVITY_LIKE',         3);
-define ( 'GRAVITY_COMMENT',      6);
+define('GRAVITY_PARENT',       0);
+define('GRAVITY_LIKE',         3);
+define('GRAVITY_COMMENT',      6);
 /* @}*/
 
 /**
@@ -436,12 +449,12 @@ define ( 'GRAVITY_COMMENT',      6);
  * Process priority for the worker
  * @{
  */
-define('PRIORITY_UNDEFINED',  0);
-define('PRIORITY_CRITICAL',  10);
-define('PRIORITY_HIGH',      20);
-define('PRIORITY_MEDIUM',    30);
-define('PRIORITY_LOW',       40);
-define('PRIORITY_NEGLIGIBLE',50);
+define('PRIORITY_UNDEFINED',   0);
+define('PRIORITY_CRITICAL',   10);
+define('PRIORITY_HIGH',       20);
+define('PRIORITY_MEDIUM',     30);
+define('PRIORITY_LOW',        40);
+define('PRIORITY_NEGLIGIBLE', 50);
 /* @}*/
 
 /**
@@ -459,7 +472,7 @@ define('SR_SCOPE_TAGS', 'tags');
 /**
  * Lowest possible date time value
  */
-define ('NULL_DATE', '0001-01-01 00:00:00');
+define('NULL_DATE', '0001-01-01 00:00:00');
 
 // Normally this constant is defined - but not if "pcntl" isn't installed
 if (!defined("SIGTERM")) {
@@ -471,16 +484,15 @@ if (!defined("SIGTERM")) {
  * See here: http://php.net/manual/en/curl.constants.php#117928
  */
 if (!defined('CURLE_OPERATION_TIMEDOUT')) {
-        define('CURLE_OPERATION_TIMEDOUT', CURLE_OPERATION_TIMEOUTED);
+	define('CURLE_OPERATION_TIMEDOUT', CURLE_OPERATION_TIMEOUTED);
 }
 /**
- *
  * Reverse the effect of magic_quotes_gpc if it is enabled.
  * Please disable magic_quotes_gpc so we don't have to do this.
  * See http://php.net/manual/en/security.magicquotes.disabling.php
- *
  */
-function startup() {
+function startup()
+{
 	error_reporting(E_ERROR | E_WARNING | E_PARSE);
 
 	set_time_limit(0);
@@ -510,7 +522,8 @@ function startup() {
  *
  * Useful in functions which require it but don't get it passed to them
  */
-function get_app() {
+function get_app()
+{
 	global $a;
 
 	if (empty($a)) {
@@ -530,12 +543,13 @@ function get_app() {
  * e.g. x('') or x(0) returns 0;
  *
  * @param string|array $s variable to check
- * @param string $k key inside the array to check
+ * @param string       $k key inside the array to check
  *
  * @return bool|int
  */
-function x($s, $k = NULL) {
-	if ($k != NULL) {
+function x($s, $k = null)
+{
+	if ($k != null) {
 		if ((is_array($s)) && (array_key_exists($k, $s))) {
 			if ($s[$k]) {
 				return (int) 1;
@@ -557,8 +571,9 @@ function x($s, $k = NULL) {
 /**
  * @brief Called from db initialisation if db is dead.
  */
-function system_unavailable() {
-	include('system_unavailable.php');
+function system_unavailable()
+{
+	include 'system_unavailable.php';
 	system_down();
 	killme();
 }
@@ -571,18 +586,20 @@ function system_unavailable() {
  * @return string
  * @TODO Function is deprecated and only used in some addons
  */
-function z_root() {
+function z_root()
+{
 	return System::baseUrl();
 }
 
 /**
  * @brief Return absolut URL for given $path.
  *
- * @param string $path
+ * @param string $path given path
  *
  * @return string
  */
-function absurl($path) {
+function absurl($path)
+{
 	if (strpos($path, '/') === 0) {
 		return z_path() . $path;
 	}
@@ -594,17 +611,18 @@ function absurl($path) {
  *
  * @return boolean
  */
-function is_ajax() {
+function is_ajax()
+{
 	return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 }
 
 /**
  * @brief Function to check if request was an AJAX (xmlhttprequest) request.
  *
- * @param $via_worker boolean Is the check run via the poller?
+ * @param boolean $via_worker boolean Is the check run via the poller?
  */
-function check_db($via_worker) {
-
+function check_db($via_worker)
+{
 	$build = Config::get('system', 'build');
 	if (!x($build)) {
 		Config::set('system', 'build', DB_UPDATE_VERSION);
@@ -621,9 +639,11 @@ function check_db($via_worker) {
 /**
  * Sets the base url for use in cmdline programs which don't have
  * $_SERVER variables
+ *
+ * @param object $a App
  */
-function check_url(App $a) {
-
+function check_url(App $a)
+{
 	$url = Config::get('system', 'url');
 
 	// if the url isn't set or the stored url is radically different
@@ -644,8 +664,10 @@ function check_url(App $a) {
 
 /**
  * @brief Automatic database updates
+ * @param object $a App
  */
-function update_db(App $a) {
+function update_db(App $a)
+{
 	$build = Config::get('system', 'build');
 	if (!x($build)) {
 		$build = Config::set('system', 'build', DB_UPDATE_VERSION);
@@ -712,9 +734,9 @@ function update_db(App $a) {
 	return;
 }
 
-function run_update_function($x) {
+function run_update_function($x)
+{
 	if (function_exists('update_' . $x)) {
-
 		// There could be a lot of processes running or about to run.
 		// We want exactly one process to run the update command.
 		// So store the fact that we're taking responsibility
@@ -764,11 +786,10 @@ function run_update_function($x) {
  * Then go through the config list and if we have a plugin that isn't installed,
  * call the install procedure and add it to the database.
  *
- * @param App $a
- *
+ * @param object $a App
  */
-function check_plugins(App $a) {
-
+function check_plugins(App $a)
+{
 	$r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 	if (DBM::is_result($r)) {
 		$installed = $r;
@@ -810,7 +831,8 @@ function check_plugins(App $a) {
 	return;
 }
 
-function get_guid($size = 16, $prefix = "") {
+function get_guid($size = 16, $prefix = "")
+{
 	if ($prefix == "") {
 		$a = get_app();
 		$prefix = hash("crc32", $a->get_hostname());
@@ -832,18 +854,17 @@ function get_guid($size = 16, $prefix = "") {
 /**
  * @brief Wrapper for adding a login box.
  *
- * @param bool $register
- *	If $register == true provide a registration link.
- *	This will most always depend on the value of $a->config['register_policy'].
- * @param bool $hiddens
+ * @param bool $register If $register == true provide a registration link.
+ *						 This will most always depend on the value of $a->config['register_policy'].
+ * @param bool $hiddens  optional
  *
- * @return string
- *	Returns the complete html for inserting into the page
+ * @return string Returns the complete html for inserting into the page
  *
  * @hooks 'login_hook'
  *	string $o
  */
-function login($register = false, $hiddens = false) {
+function login($register = false, $hiddens = false)
+{
 	$a = get_app();
 	$o = "";
 	$reg = false;
@@ -861,17 +882,21 @@ function login($register = false, $hiddens = false) {
 	if (local_user()) {
 		$tpl = get_markup_template("logout.tpl");
 	} else {
-		$a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"), array(
+		$a->page['htmlhead'] .= replace_macros(
+			get_markup_template("login_head.tpl"),
+			array(
 			'$baseurl' => $a->get_baseurl(true)
-		));
+			)
+		);
 
 		$tpl = get_markup_template("login.tpl");
 		$_SESSION['return_url'] = $a->query_string;
 		$a->module = 'login';
 	}
 
-	$o .= replace_macros($tpl, array(
-
+	$o .= replace_macros(
+		$tpl,
+		array(
 		'$dest_url'     => $dest_url,
 		'$logout'       => t('Logout'),
 		'$login'        => t('Login'),
@@ -895,7 +920,8 @@ function login($register = false, $hiddens = false) {
 
 		'$privacytitle' => t('Website Privacy Policy'),
 		'$privacylink'  => t('privacy policy'),
-	));
+		)
+	);
 
 	call_hooks('login_hook', $o);
 
@@ -905,7 +931,8 @@ function login($register = false, $hiddens = false) {
 /**
  * @brief Used to end the current process, after saving session state.
  */
-function killme() {
+function killme()
+{
 	global $session_exists;
 
 	if (!get_app()->is_backend()) {
@@ -922,7 +949,8 @@ function killme() {
 /**
  * @brief Redirect to another URL and terminate this process.
  */
-function goaway($s) {
+function goaway($s)
+{
 	if (!strstr(normalise_link($s), "http://")) {
 		$s = System::baseUrl() . "/" . $s;
 	}
@@ -936,7 +964,8 @@ function goaway($s) {
  *
  * @return int|bool user id or false
  */
-function local_user() {
+function local_user()
+{
 	if (x($_SESSION, 'authenticated') && x($_SESSION, 'uid')) {
 		return intval($_SESSION['uid']);
 	}
@@ -948,7 +977,8 @@ function local_user() {
  *
  * @return int|bool public contact id or false
  */
-function public_contact() {
+function public_contact()
+{
 	static $public_contact_id = false;
 
 	if (!$public_contact_id && x($_SESSION, 'authenticated')) {
@@ -971,7 +1001,8 @@ function public_contact() {
  *
  * @return int|bool visitor_id or false
  */
-function remote_user() {
+function remote_user()
+{
 	// You cannot be both local and remote
 	if (local_user()) {
 		return false;
@@ -989,7 +1020,8 @@ function remote_user() {
  *
  * @param string $s - Text of notice
  */
-function notice($s) {
+function notice($s)
+{
 	$a = get_app();
 	if (!x($_SESSION, 'sysmsg')) {
 		$_SESSION['sysmsg'] = array();
@@ -1006,7 +1038,8 @@ function notice($s) {
  *
  * @param string $s - Text of notice
  */
-function info($s) {
+function info($s)
+{
 	$a = get_app();
 
 	if (local_user() && PConfig::get(local_user(), 'system', 'ignore_info')) {
@@ -1026,7 +1059,8 @@ function info($s) {
  *
  * @return int
  */
-function get_max_import_size() {
+function get_max_import_size()
+{
 	$a = get_app();
 	return ((x($a->config, 'max_import_size')) ? $a->config['max_import_size'] : 0 );
 }
@@ -1038,12 +1072,14 @@ function get_max_import_size() {
  *
  * @return boolean "false" if proc_run couldn't be executed
  */
-function proc_run() {
+function proc_run()
+{
 	$proc_args = func_get_args();
 	call_user_func_array('Friendica\Core\Worker::add', $proc_args);
 }
 
-function current_theme() {
+function current_theme()
+{
 	$app_base_themes = array('duepuntozero', 'dispy', 'quattro');
 
 	$a = get_app();
@@ -1053,7 +1089,8 @@ function current_theme() {
 	// Find the theme that belongs to the user whose stuff we are looking at
 
 	if ($a->profile_uid && ($a->profile_uid != local_user())) {
-		$r = q("select theme from user where uid = %d limit 1",
+		$r = q(
+			"select theme from user where uid = %d limit 1",
 			intval($a->profile_uid)
 		);
 		if (DBM::is_result($r)) {
@@ -1107,15 +1144,17 @@ function current_theme() {
 		}
 	}
 
-	if ($theme_name &&
-		(file_exists('view/theme/' . $theme_name . '/style.css') ||
-		file_exists('view/theme/' . $theme_name . '/style.php'))) {
+	if ($theme_name
+		&& (file_exists('view/theme/' . $theme_name . '/style.css')
+		|| file_exists('view/theme/' . $theme_name . '/style.php'))
+	) {
 		return($theme_name);
 	}
 
 	foreach ($app_base_themes as $t) {
-		if (file_exists('view/theme/' . $t . '/style.css') ||
-			file_exists('view/theme/' . $t . '/style.php')) {
+		if (file_exists('view/theme/' . $t . '/style.css')
+			|| file_exists('view/theme/' . $t . '/style.php')
+		) {
 			return($t);
 		}
 	}
@@ -1135,7 +1174,8 @@ function current_theme() {
  *
  * @return string
  */
-function current_theme_url() {
+function current_theme_url()
+{
 	$a = get_app();
 
 	$t = current_theme();
@@ -1148,10 +1188,9 @@ function current_theme_url() {
 	return('view/theme/' . $t . '/style.css');
 }
 
-function feed_birthday($uid, $tz) {
-
+function feed_birthday($uid, $tz)
+{
 	/**
-	 *
 	 * Determine the next birthday, but only if the birthday is published
 	 * in the default profile. We _could_ also look for a private profile that the
 	 * recipient can see, but somebody could get mad at us if they start getting
@@ -1166,7 +1205,6 @@ function feed_birthday($uid, $tz) {
 	 * viewer's timezone also, but first we are going to convert it from the birthday
 	 * person's timezone to GMT - so the viewer may find the birthday starting at
 	 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
-	 *
 	 */
 	$birthday = '';
 
@@ -1174,8 +1212,9 @@ function feed_birthday($uid, $tz) {
 		$tz = 'UTC';
 	}
 
-	$p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
-			intval($uid)
+	$p = q(
+		"SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
+		intval($uid)
 	);
 
 	if (DBM::is_result($p)) {
@@ -1200,7 +1239,8 @@ function feed_birthday($uid, $tz) {
  *
  * @return bool true if user is an admin
  */
-function is_site_admin() {
+function is_site_admin()
+{
 	$a = get_app();
 
 	$adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
@@ -1215,12 +1255,13 @@ function is_site_admin() {
 /**
  * @brief Returns querystring as string from a mapped array.
  *
- * @param array $params mapped array with query parameters
- * @param string $name of parameter, default null
+ * @param array  $params mapped array with query parameters
+ * @param string $name   of parameter, default null
  *
  * @return string
  */
-function build_querystring($params, $name = null) {
+function build_querystring($params, $name = null)
+{
 	$ret = "";
 	foreach ($params as $key => $val) {
 		if (is_array($val)) {
@@ -1244,7 +1285,8 @@ function build_querystring($params, $name = null) {
 	return $ret;
 }
 
-function explode_querystring($query) {
+function explode_querystring($query)
+{
 	$arg_st = strpos($query, '?');
 	if ($arg_st !== false) {
 		$base = substr($query, 0, $arg_st);
@@ -1280,7 +1322,8 @@ function explode_querystring($query) {
  *
  * Taken from http://webcheatsheet.com/php/get_current_page_url.php
  */
-function curPageURL() {
+function curPageURL()
+{
 	$pageURL = 'http';
 	if ($_SERVER["HTTPS"] == "on") {
 		$pageURL .= "s";
@@ -1296,7 +1339,8 @@ function curPageURL() {
 	return $pageURL;
 }
 
-function random_digits($digits) {
+function random_digits($digits)
+{
 	$rn = '';
 	for ($i = 0; $i < $digits; $i++) {
 		/// @TODO rand() is different to mt_rand() and maybe lesser "random"
@@ -1305,7 +1349,8 @@ function random_digits($digits) {
 	return $rn;
 }
 
-function get_server() {
+function get_server()
+{
 	$server = Config::get("system", "directory");
 
 	if ($server == "") {
@@ -1315,7 +1360,8 @@ function get_server() {
 	return($server);
 }
 
-function get_temppath() {
+function get_temppath()
+{
 	$a = get_app();
 
 	$temppath = Config::get("system", "temppath");
@@ -1355,7 +1401,8 @@ function get_temppath() {
 	return '';
 }
 
-function get_cachefile($file, $writemode = true) {
+function get_cachefile($file, $writemode = true)
+{
 	$cache = get_itemcachepath();
 
 	if ((!$cache) || (!is_dir($cache))) {
@@ -1377,7 +1424,8 @@ function get_cachefile($file, $writemode = true) {
 	return $cachepath;
 }
 
-function clear_cache($basepath = "", $path = "") {
+function clear_cache($basepath = "", $path = "")
+{
 	if ($path == "") {
 		$basepath = get_itemcachepath();
 		$path = $basepath;
@@ -1412,7 +1460,8 @@ function clear_cache($basepath = "", $path = "") {
 	}
 }
 
-function get_itemcachepath() {
+function get_itemcachepath()
+{
 	// Checking, if the cache is deactivated
 	$cachetime = (int) Config::get('system', 'itemcache_duration');
 	if ($cachetime < 0) {
@@ -1445,7 +1494,8 @@ function get_itemcachepath() {
  *
  * @return string Spool path
  */
-function get_spoolpath() {
+function get_spoolpath()
+{
 	$spoolpath = Config::get('system', 'spoolpath');
 	if (($spoolpath != "") && App::directory_usable($spoolpath)) {
 		// We have a spool path and it is usable
@@ -1478,22 +1528,25 @@ function get_spoolpath() {
 }
 
 /// @deprecated
-function set_template_engine(App $a, $engine = 'internal') {
-/// @note This function is no longer necessary, but keep it as a wrapper to the class method
-/// to avoid breaking themes again unnecessarily
-/// @TODO maybe output a warning here so the theme developer can see it? PHP won't show such warnings like Java does.
+function set_template_engine(App $a, $engine = 'internal')
+{
+	/// @note This function is no longer necessary, but keep it as a wrapper to the class method
+	/// to avoid breaking themes again unnecessarily
+	/// @TODO maybe output a warning here so the theme developer can see it? PHP won't show such warnings like Java does.
 
 	$a->set_template_engine($engine);
 }
 
 if (!function_exists('exif_imagetype')) {
-	function exif_imagetype($file) {
+	function exif_imagetype($file)
+	{
 		$size = getimagesize($file);
 		return $size[2];
 	}
 }
 
-function validate_include(&$file) {
+function validate_include(&$file)
+{
 	$orig_file = $file;
 
 	$file = realpath($file);
@@ -1524,7 +1577,8 @@ function validate_include(&$file) {
 	return ($valid);
 }
 
-function current_load() {
+function current_load()
+{
 	if (!function_exists('sys_getloadavg')) {
 		return false;
 	}
@@ -1543,7 +1597,8 @@ function current_load() {
  *
  * @return int
  */
-function argc() {
+function argc()
+{
 	return get_app()->argc;
 }
 
@@ -1553,7 +1608,8 @@ function argc() {
  * @param int $x argv key
  * @return string Value of the argv key
  */
-function argv($x) {
+function argv($x)
+{
 	if (array_key_exists($x, get_app()->argv)) {
 		return get_app()->argv[$x];
 	}
@@ -1574,11 +1630,11 @@ function argv($x) {
  * 	'pageno' => $pageno The number of the actual page
  * 	'reload_uri' => $reload_uri The URI of the content we have to load
  */
-function infinite_scroll_data($module) {
-
+function infinite_scroll_data($module)
+{
 	if (PConfig::get(local_user(), 'system', 'infinite_scroll')
-		&& ($module == "network") && ($_GET["mode"] != "minimal")) {
-
+		&& ($module == "network") && ($_GET["mode"] != "minimal")
+	) {
 		// get the page number
 		if (is_string($_GET["page"])) {
 			$pageno = $_GET["page"];
@@ -1589,7 +1645,7 @@ function infinite_scroll_data($module) {
 		$reload_uri = "";
 
 		// try to get the uri from which we load the content
-		foreach ($_GET AS $param => $value) {
+		foreach ($_GET as $param => $value) {
 			if (($param != "page") && ($param != "q")) {
 				$reload_uri .= "&" . $param . "=" . urlencode($value);
 			}
diff --git a/include/Photo.php b/include/Photo.php
index 1ed90bbf83..761abc770c 100644
--- a/include/Photo.php
+++ b/include/Photo.php
@@ -5,6 +5,7 @@
  */
 
 use Friendica\App;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
diff --git a/include/bbcode.php b/include/bbcode.php
index daabd21b96..a611605471 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -1,6 +1,7 @@
 <?php
 
 use Friendica\App;
+use Friendica\Core\Cache;
 use Friendica\Core\System;
 use Friendica\Core\Config;
 
diff --git a/include/cronjobs.php b/include/cronjobs.php
index 453db6d014..00064b1125 100644
--- a/include/cronjobs.php
+++ b/include/cronjobs.php
@@ -1,6 +1,7 @@
 <?php
 
 use Friendica\App;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
 use Friendica\Network\Probe;
diff --git a/include/discover_poco.php b/include/discover_poco.php
index c0ff2a6554..bb8daad6f3 100644
--- a/include/discover_poco.php
+++ b/include/discover_poco.php
@@ -1,5 +1,5 @@
 <?php
-
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
diff --git a/include/gprobe.php b/include/gprobe.php
index dbc11dee0b..7003051851 100644
--- a/include/gprobe.php
+++ b/include/gprobe.php
@@ -1,5 +1,5 @@
 <?php
-
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
 use Friendica\Network\Probe;
diff --git a/include/identity.php b/include/identity.php
index f336891a3c..d8670537b8 100644
--- a/include/identity.php
+++ b/include/identity.php
@@ -4,6 +4,7 @@
  */
 
 use Friendica\App;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
@@ -13,7 +14,6 @@ use Friendica\Database\DBM;
 require_once 'include/ForumManager.php';
 require_once 'include/bbcode.php';
 require_once 'mod/proxy.php';
-require_once 'include/cache.php';
 
 /**
  *
@@ -34,20 +34,21 @@ require_once 'include/cache.php';
  *      the theme is chosen before the _init() function of a theme is run, which will usually
  *      load a lot of theme-specific content
  *
- * @param App $a
- * @param string $nickname
- * @param int $profile
- * @param array $profiledata
+ * @param object $a           App
+ * @param string $nickname    string
+ * @param int    $profile     int
+ * @param array  $profiledata array
  */
-function profile_load(App $a, $nickname, $profile = 0, $profiledata = array()) {
-
-	$user = q("SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
+function profile_load(App $a, $nickname, $profile = 0, $profiledata = array())
+{
+	$user = q(
+		"SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
 		dbesc($nickname)
 	);
 
 	if (!$user && count($user) && !count($profiledata)) {
 		logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
-		notice( t('Requested account is not available.') . EOL );
+		notice(t('Requested account is not available.') . EOL);
 		$a->error = 404;
 		return;
 	}
@@ -56,7 +57,7 @@ function profile_load(App $a, $nickname, $profile = 0, $profiledata = array()) {
 
 	if (empty($pdata) && empty($profiledata)) {
 		logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
-		notice( t('Requested profile is not available.') . EOL );
+		notice(t('Requested profile is not available.') . EOL);
 		$a->error = 404;
 		return;
 	}
@@ -64,8 +65,9 @@ function profile_load(App $a, $nickname, $profile = 0, $profiledata = array()) {
 	// fetch user tags if this isn't the default profile
 
 	if (!$pdata['is-default']) {
-		$x = q("SELECT `pub_keywords` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
-				intval($pdata['profile_uid'])
+		$x = q(
+			"SELECT `pub_keywords` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
+			intval($pdata['profile_uid'])
 		);
 		if ($x && count($x))
 			$pdata['pub_keywords'] = $x[0]['pub_keywords'];
@@ -79,8 +81,9 @@ function profile_load(App $a, $nickname, $profile = 0, $profiledata = array()) {
 
 	$a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 
-		if (!$profiledata  && !PConfig::get(local_user(),'system','always_my_theme'))
-			$_SESSION['theme'] = $a->profile['theme'];
+	if (!$profiledata  && !PConfig::get(local_user(), 'system', 'always_my_theme')) {
+		$_SESSION['theme'] = $a->profile['theme'];
+	}
 
 	$_SESSION['mobile-theme'] = $a->profile['mobile-theme'];
 
@@ -92,30 +95,35 @@ function profile_load(App $a, $nickname, $profile = 0, $profiledata = array()) {
 
 	$theme_info_file = "view/theme/" . current_theme() . "/theme.php";
 	if (file_exists($theme_info_file)) {
-		require_once $theme_info_file;
+		include_once $theme_info_file;
 	}
 
-	if (! (x($a->page,'aside')))
+	if (! (x($a->page, 'aside'))) {
 		$a->page['aside'] = '';
+	}
 
 	if (local_user() && local_user() == $a->profile['uid'] && $profiledata) {
-		$a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
-			'$editprofile' => t('Edit profile'),
-			'$profid' => $a->profile['id']
-		));
+		$a->page['aside'] .= replace_macros(
+			get_markup_template('profile_edlink.tpl'),
+			array(
+				'$editprofile' => t('Edit profile'),
+				'$profid' => $a->profile['id']
+			)
+		);
 	}
 
-	$block = (((Config::get('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
+	$block = (((Config::get('system', 'block_public')) && (! local_user()) && (! remote_user())) ? true : false);
 
 	/**
 	 * @todo
 	 * By now, the contact block isn't shown, when a different profile is given
 	 * But: When this profile was on the same server, then we could display the contacts
 	 */
-	if ($profiledata)
+	if ($profiledata) {
 		$a->page['aside'] .= profile_sidebar($profiledata, true);
-	else
+	} else {
 		$a->page['aside'] .= profile_sidebar($a->profile, $block);
+	}
 
 	/*if (! $block)
 	 $a->page['aside'] .= contact_block();*/
@@ -132,14 +140,14 @@ function profile_load(App $a, $nickname, $profile = 0, $profiledata = array()) {
  * Passing a non-zero profile ID can also allow a preview of a selected profile
  * by the owner
  *
- * @param string $nickname
- * @param int $uid
- * @param int $profile
- *	ID of the profile
+ * @param string $nickname nick
+ * @param int    $uid      uid
+ * @param int    $profile  ID of the profile
  * @returns array
  *	Includes all available profile data
  */
-function get_profiledata_by_nick($nickname, $uid = 0, $profile = 0) {
+function get_profiledata_by_nick($nickname, $uid = 0, $profile = 0)
+{
 	if (remote_user() && count($_SESSION['remote'])) {
 		foreach ($_SESSION['remote'] as $visitor) {
 			if ($visitor['uid'] == $uid) {
@@ -156,7 +164,8 @@ function get_profiledata_by_nick($nickname, $uid = 0, $profile = 0) {
 
 	if ($profile) {
 		$profile_int = intval($profile);
-		$r = dba::fetch_first("SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` AS `contact_photo`,
+		$r = dba::fetch_first(
+			"SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` AS `contact_photo`,
 				`contact`.`thumb` AS `contact_thumb`, `contact`.`micro` AS `contact_micro`,
 				`profile`.`uid` AS `profile_uid`, `profile`.*,
 				`contact`.`avatar-date` AS picdate, `contact`.`addr`, `user`.*
@@ -164,12 +173,13 @@ function get_profiledata_by_nick($nickname, $uid = 0, $profile = 0) {
 			INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` AND `contact`.`self`
 			INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
 			WHERE `user`.`nickname` = ? AND `profile`.`id` = ? LIMIT 1",
-				$nickname,
-				$profile_int
+			$nickname,
+			$profile_int
 		);
 	}
 	if (!DBM::is_result($r)) {
-		$r = dba::fetch_first("SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` as `contact_photo`,
+		$r = dba::fetch_first(
+			"SELECT `contact`.`id` AS `contact_id`, `contact`.`photo` as `contact_photo`,
 				`contact`.`thumb` AS `contact_thumb`, `contact`.`micro` AS `contact_micro`,
 				`profile`.`uid` AS `profile_uid`, `profile`.*,
 				`contact`.`avatar-date` AS picdate, `contact`.`addr`, `user`.*
@@ -177,7 +187,7 @@ function get_profiledata_by_nick($nickname, $uid = 0, $profile = 0) {
 			INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid` AND `contact`.`self`
 			INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
 			WHERE `user`.`nickname` = ? AND `profile`.`is-default` LIMIT 1",
-				$nickname
+			$nickname
 		);
 	}
 
@@ -203,7 +213,8 @@ function get_profiledata_by_nick($nickname, $uid = 0, $profile = 0) {
  * @hooks 'profile_sidebar'
  *      array $arr
  */
-function profile_sidebar($profile, $block = 0) {
+function profile_sidebar($profile, $block = 0)
+{
 	$a = get_app();
 
 	$o = '';
@@ -230,7 +241,7 @@ function profile_sidebar($profile, $block = 0) {
 
 
 	// don't show connect link to yourself
-	$connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
+	$connect = (($profile['uid'] != local_user()) ? t('Connect')  : false);
 
 	// don't show connect link to authenticated visitors either
 	if (remote_user() && count($_SESSION['remote'])) {
@@ -258,7 +269,7 @@ function profile_sidebar($profile, $block = 0) {
 	if ($connect && ($profile['network'] != NETWORK_DFRN) && !isset($profile['remoteconnect']))
 		$connect = false;
 
-	$remoteconnect = NULL;
+	$remoteconnect = null;
 	if (isset($profile['remoteconnect']))
 		$remoteconnect = $profile['remoteconnect'];
 
@@ -272,15 +283,19 @@ function profile_sidebar($profile, $block = 0) {
 		$wallmessage_link = "wallmessage/".$profile["nickname"];
 
 		if (remote_user()) {
-			$r = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND `id` = '%s' AND `rel` = %d",
+			$r = q(
+				"SELECT `url` FROM `contact` WHERE `uid` = %d AND `id` = '%s' AND `rel` = %d",
 				intval($profile['uid']),
 				intval(remote_user()),
-				intval(CONTACT_IS_FRIEND));
+				intval(CONTACT_IS_FRIEND)
+			);
 		} else {
-			$r = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `rel` = %d",
+			$r = q(
+				"SELECT `url` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `rel` = %d",
 				intval($profile['uid']),
 				dbesc(normalise_link(get_my_url())),
-				intval(CONTACT_IS_FRIEND));
+				intval(CONTACT_IS_FRIEND)
+			);
 		}
 		if ($r) {
 			$remote_url = $r[0]["url"];
@@ -293,10 +308,12 @@ function profile_sidebar($profile, $block = 0) {
 	}
 
 	// show edit profile to yourself
-	if (!$is_contact && $profile['uid'] == local_user() && feature_enabled(local_user(),'multi_profiles')) {
+	if (!$is_contact && $profile['uid'] == local_user() && feature_enabled(local_user(), 'multi_profiles')) {
 		$profile['edit'] = array(System::baseUrl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
-		$r = q("SELECT * FROM `profile` WHERE `uid` = %d",
-				local_user());
+		$r = q(
+			"SELECT * FROM `profile` WHERE `uid` = %d",
+			local_user()
+		);
 
 		$profile['menu'] = array(
 			'chg_photo' => t('Change profile photo'),
@@ -305,7 +322,6 @@ function profile_sidebar($profile, $block = 0) {
 		);
 
 		if (DBM::is_result($r)) {
-
 			foreach ($r as $rr) {
 				$profile['menu']['entries'][] = array(
 					'photo' => $rr['thumb'],
@@ -315,14 +331,11 @@ function profile_sidebar($profile, $block = 0) {
 					'isdefault' => $rr['is-default'],
 					'visibile_to_everybody' =>  t('visible to everybody'),
 					'edit_visibility' => t('Edit visibility'),
-
 				);
 			}
-
-
 		}
 	}
-	if (!$is_contact && $profile['uid'] == local_user() && !feature_enabled(local_user(),'multi_profiles')) {
+	if (!$is_contact && $profile['uid'] == local_user() && !feature_enabled(local_user(), 'multi_profiles')) {
 		$profile['edit'] = array(System::baseUrl(). '/profiles/'.$profile['id'], t('Edit profile'),"", t('Edit profile'));
 		$profile['menu'] = array(
 			'chg_photo' => t('Change profile photo'),
@@ -334,34 +347,36 @@ function profile_sidebar($profile, $block = 0) {
 	// Fetch the account type
 	$account_type = account_type($profile);
 
-	if ((x($profile,'address') == 1)
-			|| (x($profile,'location') == 1)
-			|| (x($profile,'locality') == 1)
-			|| (x($profile,'region') == 1)
-			|| (x($profile,'postal-code') == 1)
-			|| (x($profile,'country-name') == 1))
+	if ((x($profile, 'address') == 1)
+		|| (x($profile, 'location') == 1)
+		|| (x($profile, 'locality') == 1)
+		|| (x($profile, 'region') == 1)
+		|| (x($profile, 'postal-code') == 1)
+		|| (x($profile, 'country-name') == 1)
+	) {
 		$location = t('Location:');
+	}
 
-	$gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
+	$gender = ((x($profile, 'gender') == 1) ? t('Gender:') : false);
 
 
-	$marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
+	$marital = ((x($profile, 'marital') == 1) ?  t('Status:') : false);
 
-	$homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
+	$homepage = ((x($profile, 'homepage') == 1) ?  t('Homepage:') : false);
 
-	$about = ((x($profile,'about') == 1) ?  t('About:') : False);
+	$about = ((x($profile, 'about') == 1) ?  t('About:') : false);
 
-	$xmpp = ((x($profile,'xmpp') == 1) ?  t('XMPP:') : False);
+	$xmpp = ((x($profile, 'xmpp') == 1) ?  t('XMPP:') : false);
 
 	if (($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
-		$location = $pdesc = $gender = $marital = $homepage = $about = False;
+		$location = $pdesc = $gender = $marital = $homepage = $about = false;
 	}
 
-	$firstname = ((strpos($profile['name'],' '))
-			? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
-	$lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
+	$firstname = ((strpos($profile['name'], ' '))
+			? trim(substr($profile['name'], 0, strpos($profile['name'], ' '))) : $profile['name']);
+	$lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'], strlen($firstname))));
 
-	if ($profile['guid'] != "")
+	if ($profile['guid'] != "") {
 		$diaspora = array(
 			'guid' => $profile['guid'],
 			'podloc' => System::baseUrl(),
@@ -374,19 +389,24 @@ function profile_sidebar($profile, $block = 0) {
 			'photo100' => $profile['contact_thumb'],
 			'photo50' => $profile['contact_micro'],
 		);
-	else
+	} else {
 		$diaspora = false;
+	}
 
 	if (!$block) {
 		$contact_block = contact_block();
 
 		if (is_array($a->profile) && !$a->profile['hide-friends']) {
-			$r = q("SELECT `gcontact`.`updated` FROM `contact` INNER JOIN `gcontact` WHERE `gcontact`.`nurl` = `contact`.`nurl` AND `self` AND `uid` = %d LIMIT 1",
-				intval($a->profile['uid']));
-			if (DBM::is_result($r))
+			$r = q(
+				"SELECT `gcontact`.`updated` FROM `contact` INNER JOIN `gcontact` WHERE `gcontact`.`nurl` = `contact`.`nurl` AND `self` AND `uid` = %d LIMIT 1",
+				intval($a->profile['uid'])
+			);
+			if (DBM::is_result($r)) {
 				$updated =  date("c", strtotime($r[0]['updated']));
+			}
 
-			$r = q("SELECT COUNT(*) AS `total` FROM `contact`
+			$r = q(
+				"SELECT COUNT(*) AS `total` FROM `contact`
 				WHERE `uid` = %d
 					AND NOT `self` AND NOT `blocked` AND NOT `pending`
 					AND NOT `hidden` AND NOT `archive`
@@ -396,33 +416,40 @@ function profile_sidebar($profile, $block = 0) {
 				dbesc(NETWORK_DIASPORA),
 				dbesc(NETWORK_OSTATUS)
 			);
-			if (DBM::is_result($r))
+			if (DBM::is_result($r)) {
 				$contacts = intval($r[0]['total']);
+			}
 		}
 	}
 
 	$p = array();
 	foreach ($profile as $k => $v) {
-		$k = str_replace('-','_',$k);
+		$k = str_replace('-', '_', $k);
 		$p[$k] = $v;
 	}
 
-	if (isset($p["about"]))
+	if (isset($p["about"])) {
 		$p["about"] = bbcode($p["about"]);
+	}
 
-	if (isset($p["address"]))
+	if (isset($p["address"])) {
 		$p["address"] = bbcode($p["address"]);
-	else
+	} else {
 		$p["address"] = bbcode($p["location"]);
+	}
 
 	if (isset($p["photo"])) {
 		$p["photo"] = proxy_url($p["photo"], false, PROXY_SIZE_SMALL);
 	}
-	if ($a->theme['template_engine'] === 'internal')
+
+	if ($a->theme['template_engine'] === 'internal') {
 		$location = template_escape($location);
+	}
 
 	$tpl = get_markup_template('profile_vcard.tpl');
-	$o .= replace_macros($tpl, array(
+	$o .= replace_macros(
+		$tpl,
+		array(
 		'$profile' => $p,
 		'$xmpp' => $xmpp,
 		'$connect'  => $connect,
@@ -433,7 +460,7 @@ function profile_sidebar($profile, $block = 0) {
 		'$account_type' => $account_type,
 		'$location' => $location,
 		'$gender'   => $gender,
-//			'$pdesc'	=> $pdesc,
+		// '$pdesc'	=> $pdesc,
 		'$marital'  => $marital,
 		'$homepage' => $homepage,
 		'$about' => $about,
@@ -442,7 +469,8 @@ function profile_sidebar($profile, $block = 0) {
 		'$updated' => $updated,
 		'$diaspora' => $diaspora,
 		'$contact_block' => $contact_block,
-	));
+		)
+	);
 
 	$arr = array('profile' => &$profile, 'entry' => &$o);
 
@@ -452,33 +480,36 @@ function profile_sidebar($profile, $block = 0) {
 }
 
 
-function get_birthdays() {
-
+function get_birthdays()
+{
 	$a = get_app();
 	$o = '';
 
-	if (! local_user() || $a->is_mobile || $a->is_tablet)
+	if (! local_user() || $a->is_mobile || $a->is_tablet) {
 		return $o;
+	}
 
-//		$mobile_detect = new Mobile_Detect();
-//		$is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
-
-//		if ($is_mobile)
-//			return $o;
+	/**
+	 * $mobile_detect = new Mobile_Detect();
+	 * $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
+	 *		if ($is_mobile)
+	 *			return $o;
+	 */
 
-	$bd_format = t('g A l F d') ; // 8 AM Friday January 18
+	$bd_format = t('g A l F d'); // 8 AM Friday January 18
 	$bd_short = t('F d');
 
 	$cachekey = "get_birthdays:".local_user();
 	$r = Cache::get($cachekey);
 	if (is_null($r)) {
-		$s = dba::p("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
-				INNER JOIN `contact` ON `contact`.`id` = `event`.`cid`
-				WHERE `event`.`uid` = ? AND `type` = 'birthday' AND `start` < ? AND `finish` > ?
-				ORDER BY `start` ASC ",
-				local_user(),
-				datetime_convert('UTC','UTC','now + 6 days'),
-				datetime_convert('UTC','UTC','now')
+		$s = dba::p(
+			"SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
+			INNER JOIN `contact` ON `contact`.`id` = `event`.`cid`
+			WHERE `event`.`uid` = ? AND `type` = 'birthday' AND `start` < ? AND `finish` > ?
+			ORDER BY `start` ASC ",
+			local_user(),
+			datetime_convert('UTC', 'UTC', 'now + 6 days'),
+			datetime_convert('UTC', 'UTC', 'now')
 		);
 		if (DBM::is_result($s)) {
 			$r = dba::inArray($s);
@@ -492,21 +523,25 @@ function get_birthdays() {
 
 		$istoday = false;
 		foreach ($r as $rr) {
-			if (strlen($rr['name']))
+			if (strlen($rr['name'])) {
 				$total ++;
-			if ((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
+			}
+			if ((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) {
 				$istoday = true;
+			}
 		}
 		$classtoday = $istoday ? ' birthday-today ' : '';
 		if ($total) {
 			foreach ($r as &$rr) {
-				if (! strlen($rr['name']))
+				if (! strlen($rr['name'])) {
 					continue;
+				}
 
 				// avoid duplicates
 
-				if (in_array($rr['cid'],$cids))
+				if (in_array($rr['cid'], $cids)) {
 					continue;
+				}
 				$cids[] = $rr['cid'];
 
 				$today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
@@ -520,14 +555,15 @@ function get_birthdays() {
 				$rr['link'] = $url;
 				$rr['title'] = $rr['name'];
 				$rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
-				$rr['startime'] = Null;
+				$rr['startime'] = null;
 				$rr['today'] = $today;
-
 			}
 		}
 	}
 	$tpl = get_markup_template("birthdays_reminder.tpl");
-	return replace_macros($tpl, array(
+	return replace_macros(
+		$tpl,
+		array(
 		'$baseurl' => System::baseUrl(),
 		'$classtoday' => $classtoday,
 		'$count' => $total,
@@ -536,14 +572,14 @@ function get_birthdays() {
 		'$events' => $r,
 		'$lbr' => '{',  // raw brackets mess up if/endif macro processing
 		'$rbr' => '}'
-
-	));
+		)
+	);
 }
 
 
-function get_events() {
-
-	require_once 'include/bbcode.php';
+function get_events()
+{
+	include_once 'include/bbcode.php';
 
 	$a = get_app();
 
@@ -551,21 +587,23 @@ function get_events() {
 		return $o;
 	}
 
-//		$mobile_detect = new Mobile_Detect();
-//		$is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
-
-//		if ($is_mobile)
-//			return $o;
+	/**
+	 *	$mobile_detect = new Mobile_Detect();
+	 *		$is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
+	 *		if ($is_mobile)
+	 *			return $o;
+	 */
 
-	$bd_format = t('g A l F d') ; // 8 AM Friday January 18
+	$bd_format = t('g A l F d'); // 8 AM Friday January 18
 	$bd_short = t('F d');
 
-	$s = dba::p("SELECT `event`.* FROM `event`
-			WHERE `event`.`uid` = ? AND `type` != 'birthday' AND `start` < ? AND `start` >= ?
-			ORDER BY `start` ASC ",
-			local_user(),
-			datetime_convert('UTC','UTC','now + 7 days'),
-			datetime_convert('UTC','UTC','now - 1 days')
+	$s = dba::p(
+		"SELECT `event`.* FROM `event`
+		WHERE `event`.`uid` = ? AND `type` != 'birthday' AND `start` < ? AND `start` >= ?
+		ORDER BY `start` ASC ",
+		local_user(),
+		datetime_convert('UTC', 'UTC', 'now + 7 days'),
+		datetime_convert('UTC', 'UTC', 'now - 1 days')
 	);
 
 	$r = array();
@@ -579,29 +617,29 @@ function get_events() {
 				$total ++;
 			}
 
-			$strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
-			if ($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) {
+			$strt = datetime_convert('UTC', $rr['convert'] ? $a->timezone : 'UTC', $rr['start'], 'Y-m-d');
+			if ($strt === datetime_convert('UTC', $a->timezone, 'now', 'Y-m-d')) {
 				$istoday = true;
 			}
 
-			$title = strip_tags(html_entity_decode(bbcode($rr['summary']),ENT_QUOTES,'UTF-8'));
+			$title = strip_tags(html_entity_decode(bbcode($rr['summary']), ENT_QUOTES, 'UTF-8'));
 
 			if (strlen($title) > 35) {
-				$title = substr($title,0,32) . '... ';
+				$title = substr($title, 0, 32) . '... ';
 			}
 
-			$description = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
+			$description = substr(strip_tags(bbcode($rr['desc'])), 0, 32) . '... ';
 			if (! $description) {
 				$description = t('[No description]');
 			}
 
-			$strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
+			$strt = datetime_convert('UTC', $rr['convert'] ? $a->timezone : 'UTC', $rr['start']);
 
-			if (substr($strt,0,10) < datetime_convert('UTC',$a->timezone,'now','Y-m-d')) {
+			if (substr($strt, 0, 10) < datetime_convert('UTC', $a->timezone, 'now', 'Y-m-d')) {
 				continue;
 			}
 
-			$today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
+			$today = ((substr($strt, 0, 10) === datetime_convert('UTC', $a->timezone, 'now', 'Y-m-d')) ? true : false);
 
 			$rr['title'] = $title;
 			$rr['description'] = $desciption;
@@ -615,27 +653,32 @@ function get_events() {
 		$classtoday = (($istoday) ? 'event-today' : '');
 	}
 	$tpl = get_markup_template("events_reminder.tpl");
-	return replace_macros($tpl, array(
+	return replace_macros(
+		$tpl,
+		array(
 		'$baseurl' => System::baseUrl(),
 		'$classtoday' => $classtoday,
 		'$count' => count($r),
 		'$event_reminders' => t('Event Reminders'),
 		'$event_title' => t('Events this week:'),
 		'$events' => $r,
-	));
+		)
+	);
 }
 
-function advanced_profile(App $a) {
-
+function advanced_profile(App $a)
+{
 	$o = '';
 	$uid = $a->profile['uid'];
 
-	$o .= replace_macros(get_markup_template('section_title.tpl'),array(
+	$o .= replace_macros(
+		get_markup_template('section_title.tpl'),
+		array(
 		'$title' => t('Profile')
-	));
+		)
+	);
 
 	if ($a->profile['name']) {
-
 		$tpl = get_markup_template('profile_advanced.tpl');
 
 		$profile = array();
@@ -652,11 +695,10 @@ function advanced_profile(App $a) {
 
 
 			$val = ((intval($a->profile['dob']))
-				? day_translate(datetime_convert('UTC','UTC',$a->profile['dob'] . ' 00:00 +00:00',$year_bd_format))
-				: day_translate(datetime_convert('UTC','UTC','2001-' . substr($a->profile['dob'],5) . ' 00:00 +00:00',$short_bd_format)));
+				? day_translate(datetime_convert('UTC', 'UTC', $a->profile['dob'] . ' 00:00 +00:00', $year_bd_format))
+				: day_translate(datetime_convert('UTC', 'UTC', '2001-' . substr($a->profile['dob'], 5) . ' 00:00 +00:00', $short_bd_format)));
 
 			$profile['birthday'] = array( t('Birthday:'), $val);
-
 		}
 		if (!empty($a->profile['dob'])
 			&& $a->profile['dob'] > '0001-01-01'
@@ -751,7 +793,7 @@ function advanced_profile(App $a) {
 		}
 
 		//show subcribed forum if it is enabled in the usersettings
-		if (feature_enabled($uid,'forumlist_profile')) {
+		if (feature_enabled($uid, 'forumlist_profile')) {
 			$profile['forumlist'] = array( t('Forums:'), ForumManager::profile_advanced($uid));
 		}
 
@@ -759,25 +801,29 @@ function advanced_profile(App $a) {
 			$profile['edit'] = array(System::baseUrl(). '/profiles/'.$a->profile['id'], t('Edit profile'),"", t('Edit profile'));
 		}
 
-		return replace_macros($tpl, array(
+		return replace_macros(
+			$tpl,
+			array(
 			'$title' => t('Profile'),
 			'$basic' => t('Basic'),
 			'$advanced' => t('Advanced'),
 			'$profile' => $profile
-		));
+			)
+		);
 	}
 
 	return '';
 }
 
-function profile_tabs($a, $is_owner=False, $nickname=Null) {
+function profile_tabs($a, $is_owner = false, $nickname = null)
+{
 	//echo "<pre>"; var_dump($a->user); killme();
 
 	if (is_null($nickname)) {
 		$nickname  = $a->user['nickname'];
 	}
 
-	if (x($_GET,'tab')) {
+	if (x($_GET, 'tab')) {
 		$tab = notags(trim($_GET['tab']));
 	}
 
@@ -828,8 +874,8 @@ function profile_tabs($a, $is_owner=False, $nickname=Null) {
 				'id' => 'events-tab',
 				'accesskey' => 'e',
 			);
-	// if the user is not the owner of the calendar we only show a calendar
-	// with the public events of the calendar owner
+		// if the user is not the owner of the calendar we only show a calendar
+		// with the public events of the calendar owner
 	} elseif (! $is_owner) {
 		$tabs[] = array(
 				'label' => t('Events'),
@@ -868,20 +914,21 @@ function profile_tabs($a, $is_owner=False, $nickname=Null) {
 
 	$tpl = get_markup_template('common_tabs.tpl');
 
-	return replace_macros($tpl,array('$tabs' => $arr['tabs']));
+	return replace_macros($tpl, array('$tabs' => $arr['tabs']));
 }
 
-function get_my_url() {
+function get_my_url()
+{
 	if (x($_SESSION, 'my_url')) {
 		return $_SESSION['my_url'];
 	}
 	return false;
 }
 
-function zrl_init(App $a) {
+function zrl_init(App $a)
+{
 	$tmp_str = get_my_url();
 	if (validate_url($tmp_str)) {
-
 		// Is it a DDoS attempt?
 		// The check fetches the cached value from gprobe to reduce the load for this system
 		$urlparts = parse_url($tmp_str);
@@ -898,7 +945,8 @@ function zrl_init(App $a) {
 	}
 }
 
-function zrl($s, $force = false) {
+function zrl($s, $force = false)
+{
 	if (! strlen($s)) {
 		return $s;
 	}
@@ -930,7 +978,8 @@ function zrl($s, $force = false) {
  * @note Returns local_user instead of user ID if "always_my_theme"
  *      is set to true
  */
-function get_theme_uid() {
+function get_theme_uid()
+{
 	$uid = ((!empty($_REQUEST['puid'])) ? intval($_REQUEST['puid']) : 0);
 	if ((local_user()) && ((PConfig::get(local_user(), 'system', 'always_my_theme')) || (! $uid))) {
 		return local_user();
diff --git a/include/oembed.php b/include/oembed.php
index 18230fe87a..74ce90dd1a 100755
--- a/include/oembed.php
+++ b/include/oembed.php
@@ -5,6 +5,7 @@
  */
 
 use Friendica\App;
+use Friendica\Core\Cache;
 use Friendica\Core\System;
 use Friendica\ParseUrl;
 use Friendica\Core\Config;
diff --git a/include/ostatus.php b/include/ostatus.php
index 51ca6e2356..0e8037dae7 100644
--- a/include/ostatus.php
+++ b/include/ostatus.php
@@ -4,6 +4,7 @@
  */
 
 use Friendica\App;
+use Friendica\Core\Cache;
 use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
@@ -23,30 +24,28 @@ require_once 'include/follow.php';
 require_once 'include/api.php';
 require_once 'mod/proxy.php';
 require_once 'include/xml.php';
-require_once 'include/cache.php';
 
 /**
  * @brief This class contain functions for the OStatus protocol
- *
  */
-class ostatus {
-
+class ostatus
+{
 	private static $itemlist;
 	private static $conv_list = array();
 
 	/**
 	 * @brief Fetches author data
 	 *
-	 * @param object $xpath The xpath object
-	 * @param object $context The xml context of the author details
-	 * @param array $importer user record of the importing user
-	 * @param array $contact Called by reference, will contain the fetched contact
-	 * @param bool $onlyfetch Only fetch the header without updating the contact entries
+	 * @param object $xpath     The xpath object
+	 * @param object $context   The xml context of the author details
+	 * @param array  $importer  user record of the importing user
+	 * @param array  $contact   Called by reference, will contain the fetched contact
+	 * @param bool   $onlyfetch Only fetch the header without updating the contact entries
 	 *
 	 * @return array Array of author related entries for the item
 	 */
-	private static function fetchauthor($xpath, $context, $importer, &$contact, $onlyfetch) {
-
+	private static function fetchauthor($xpath, $context, $importer, &$contact, $onlyfetch)
+	{
 		$author = array();
 		$author["author-link"] = $xpath->evaluate('atom:author/atom:uri/text()', $context)->item(0)->nodeValue;
 		$author["author-name"] = $xpath->evaluate('atom:author/atom:name/text()', $context)->item(0)->nodeValue;
@@ -56,7 +55,7 @@ class ostatus {
 
 		$alternate = $xpath->query("atom:author/atom:link[@rel='alternate']", $context)->item(0)->attributes;
 		if (is_object($alternate)) {
-			foreach ($alternate AS $attributes) {
+			foreach ($alternate as $attributes) {
 				if (($attributes->name == "href") && ($attributes->textContent != "")) {
 					$author["author-link"] = $attributes->textContent;
 				}
@@ -117,10 +116,10 @@ class ostatus {
 
 		$avatarlist = array();
 		$avatars = $xpath->query("atom:author/atom:link[@rel='avatar']", $context);
-		foreach ($avatars AS $avatar) {
+		foreach ($avatars as $avatar) {
 			$href = "";
 			$width = 0;
-			foreach ($avatar->attributes AS $attributes) {
+			foreach ($avatar->attributes as $attributes) {
 				if ($attributes->name == "href") {
 					$href = $attributes->textContent;
 				}
@@ -148,7 +147,6 @@ class ostatus {
 
 		// Only update the contacts if it is an OStatus contact
 		if ($r && ($r['id'] > 0) && !$onlyfetch && ($contact["network"] == NETWORK_OSTATUS)) {
-
 			// This contact is vital, so we awake it from the dead
 			unmark_for_death($contact);
 
@@ -233,13 +231,13 @@ class ostatus {
 	/**
 	 * @brief Fetches author data from a given XML string
 	 *
-	 * @param string $xml The XML
-	 * @param array $importer user record of the importing user
+	 * @param string $xml      The XML
+	 * @param array  $importer user record of the importing user
 	 *
 	 * @return array Array of author related entries for the item
 	 */
-	public static function salmon_author($xml, $importer) {
-
+	public static function salmon_author($xml, $importer)
+	{
 		if ($xml == "")
 			return;
 
@@ -258,7 +256,7 @@ class ostatus {
 
 		$entries = $xpath->query('/atom:entry');
 
-		foreach ($entries AS $entry) {
+		foreach ($entries as $entry) {
 			// fetch the author
 			$author = self::fetchauthor($xpath, $entry, $importer, $contact, true);
 			return $author;
@@ -272,10 +270,11 @@ class ostatus {
 	 *
 	 * @return array attributes
 	 */
-	private static function read_attributes($element) {
+	private static function read_attributes($element)
+	{
 		$attribute = array();
 
-		foreach ($element->attributes AS $attributes) {
+		foreach ($element->attributes as $attributes) {
 			$attribute[$attributes->name] = $attributes->textContent;
 		}
 
@@ -285,28 +284,30 @@ class ostatus {
 	/**
 	 * @brief Imports an XML string containing OStatus elements
 	 *
-	 * @param string $xml The XML
-	 * @param array $importer user record of the importing user
-	 * @param array $contact
-	 * @param string $hub Called by reference, returns the fetched hub data
+	 * @param string $xml      The XML
+	 * @param array  $importer user record of the importing user
+	 * @param array  $contact  contact
+	 * @param string $hub      Called by reference, returns the fetched hub data
 	 */
-	public static function import($xml, $importer, &$contact, &$hub) {
+	public static function import($xml, $importer, &$contact, &$hub)
+	{
 		self::process($xml, $importer, $contact, $hub);
 	}
 
 	/**
 	 * @brief Internal feed processing
 	 *
-	 * @param string $xml The XML
-	 * @param array $importer user record of the importing user
-	 * @param array $contact
-	 * @param string $hub Called by reference, returns the fetched hub data
-	 * @param boolean $stored Is the post fresh imported or from the database?
+	 * @param string  $xml        The XML
+	 * @param array   $importer   user record of the importing user
+	 * @param array   $contact
+	 * @param string  $hub        Called by reference, returns the fetched hub data
+	 * @param boolean $stored     Is the post fresh imported or from the database?
 	 * @param boolean $initialize Is it the leading post so that data has to be initialized?
 	 *
 	 * @return boolean Could the XML be processed?
 	 */
-	private static function process($xml, $importer, &$contact, &$hub, $stored = false, $initialize = true) {
+	private static function process($xml, $importer, &$contact, &$hub, $stored = false, $initialize = true)
+	{
 		if ($initialize) {
 			self::$itemlist = array();
 			self::$conv_list = array();
@@ -333,7 +334,7 @@ class ostatus {
 		$hub = "";
 		$hub_attributes = $xpath->query("/atom:feed/atom:link[@rel='hub']")->item(0)->attributes;
 		if (is_object($hub_attributes)) {
-			foreach ($hub_attributes AS $hub_attribute) {
+			foreach ($hub_attributes as $hub_attribute) {
 				if ($hub_attribute->name == "href") {
 					$hub = $hub_attribute->textContent;
 					logger("Found hub ".$hub, LOGGER_DEBUG);
@@ -380,11 +381,11 @@ class ostatus {
 		// Reverse the order of the entries
 		$entrylist = array();
 
-		foreach ($entries AS $entry) {
+		foreach ($entries as $entry) {
 			$entrylist[] = $entry;
 		}
 
-		foreach (array_reverse($entrylist) AS $entry) {
+		foreach (array_reverse($entrylist) as $entry) {
 			// fetch the author
 			$authorelement = $xpath->query('/atom:entry/atom:author', $entry);
 
@@ -473,13 +474,13 @@ class ostatus {
 					$valid = !empty(self::$itemlist[0]['contact-id']);
 					if (!$valid) {
 						// If not, then it depends on this setting
-						$valid = !Config::get('system','ostatus_full_threads');
+						$valid = !Config::get('system', 'ostatus_full_threads');
 					}
 					if ($valid) {
 						// Never post a thread when the only interaction by our contact was a like
 						$valid = false;
 						$verbs = array(ACTIVITY_POST, ACTIVITY_SHARE);
-						foreach (self::$itemlist AS $item) {
+						foreach (self::$itemlist as $item) {
 							if (!empty($item['contact-id']) && in_array($item['verb'], $verbs)) {
 								$valid = true;
 							}
@@ -500,7 +501,7 @@ class ostatus {
 							$default_contact = $item['contact-id'];
 						}
 					}
-					foreach (self::$itemlist AS $item) {
+					foreach (self::$itemlist as $item) {
 						$found = dba::exists('item', array('uid' => $importer["uid"], 'uri' => $item["uri"]));
 						if ($found) {
 							logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already exists.", LOGGER_DEBUG);
@@ -526,8 +527,8 @@ class ostatus {
 		return true;
 	}
 
-	private static function deleteNotice($item) {
-
+	private static function deleteNotice($item)
+	{
 		$condition = array('uid' => $item['uid'], 'author-link' => $item['author-link'], 'uri' => $item['uri']);
 		$deleted = dba::select('item', array('id', 'parent-uri'), $condition, array('limit' => 1));
 		if (!DBM::is_result($deleted)) {
@@ -536,9 +537,12 @@ class ostatus {
 		}
 
 		// Currently we don't have a central deletion function that we could use in this case. The function "item_drop" doesn't work for that case
-		dba::update('item', array('deleted' => true, 'title' => '', 'body' => '',
+		dba::update(
+			'item',
+			array('deleted' => true, 'title' => '', 'body' => '',
 					'edited' => datetime_convert(), 'changed' => datetime_convert()),
-				array('id' => $deleted["id"]));
+			array('id' => $deleted["id"])
+		);
 
 		delete_thread($deleted["id"], $deleted["parent-uri"]);
 
@@ -548,12 +552,13 @@ class ostatus {
 	/**
 	 * @brief Processes the XML for a post
 	 *
-	 * @param object $xpath The xpath object
-	 * @param object $entry The xml entry that is processed
-	 * @param array $item The item array
-	 * @param array $importer user record of the importing user
+	 * @param object $xpath    The xpath object
+	 * @param object $entry    The xml entry that is processed
+	 * @param array  $item     The item array
+	 * @param array  $importer user record of the importing user
 	 */
-	private static function processPost($xpath, $entry, &$item, $importer) {
+	private static function processPost($xpath, $entry, &$item, $importer)
+	{
 		$item["body"] = html2bbcode($xpath->query('atom:content/text()', $entry)->item(0)->nodeValue);
 		$item["object-type"] = $xpath->query('activity:object-type/text()', $entry)->item(0)->nodeValue;
 		if (($item["object-type"] == ACTIVITY_OBJ_BOOKMARK) || ($item["object-type"] == ACTIVITY_OBJ_EVENT)) {
@@ -570,7 +575,7 @@ class ostatus {
 
 		$conv = $xpath->query('ostatus:conversation', $entry);
 		if (is_object($conv->item(0))) {
-			foreach ($conv->item(0)->attributes AS $attributes) {
+			foreach ($conv->item(0)->attributes as $attributes) {
 				if ($attributes->name == "ref") {
 					$item['conversation-uri'] = $attributes->textContent;
 				}
@@ -584,7 +589,7 @@ class ostatus {
 
 		$inreplyto = $xpath->query('thr:in-reply-to', $entry);
 		if (is_object($inreplyto->item(0))) {
-			foreach ($inreplyto->item(0)->attributes AS $attributes) {
+			foreach ($inreplyto->item(0)->attributes as $attributes) {
 				if ($attributes->name == "ref") {
 					$item["parent-uri"] = $attributes->textContent;
 				}
@@ -601,8 +606,8 @@ class ostatus {
 
 		$categories = $xpath->query('atom:category', $entry);
 		if ($categories) {
-			foreach ($categories AS $category) {
-				foreach ($category->attributes AS $attributes) {
+			foreach ($categories as $category) {
+				foreach ($category->attributes as $attributes) {
 					if ($attributes->name == "term") {
 						$term = $attributes->textContent;
 						if (strlen($item["tag"])) {
@@ -628,7 +633,7 @@ class ostatus {
 
 		$notice_info = $xpath->query('statusnet:notice_info', $entry);
 		if ($notice_info && ($notice_info->length > 0)) {
-			foreach ($notice_info->item(0)->attributes AS $attributes) {
+			foreach ($notice_info->item(0)->attributes as $attributes) {
 				if ($attributes->name == "source") {
 					$item["app"] = strip_tags($attributes->textContent);
 				}
@@ -648,7 +653,7 @@ class ostatus {
 		$item["body"] .= $add_body;
 
 		// Only add additional data when there is no picture in the post
-		if (!strstr($item["body"],'[/img]')) {
+		if (!strstr($item["body"], '[/img]')) {
 			$item["body"] = add_page_info_to_body($item["body"]);
 		}
 
@@ -690,11 +695,11 @@ class ostatus {
 	/**
 	 * @brief Fetch the conversation for posts
 	 *
-	 * @param string $conversation The link to the conversation
+	 * @param string $conversation     The link to the conversation
 	 * @param string $conversation_uri The conversation in "uri" format
 	 */
-	private static function fetchConversation($conversation, $conversation_uri) {
-
+	private static function fetchConversation($conversation, $conversation_uri)
+	{
 		// Ensure that we only store a conversation once in a process
 		if (isset(self::$conv_list[$conversation])) {
 			return;
@@ -723,7 +728,7 @@ class ostatus {
 
 			$links = $xpath->query('//link');
 			if ($links) {
-				foreach ($links AS $link) {
+				foreach ($links as $link) {
 					$attribute = ostatus::read_attributes($link);
 					if (($attribute['rel'] == 'alternate') && ($attribute['type'] == 'application/atom+xml')) {
 						$file = $attribute['href'];
@@ -749,9 +754,12 @@ class ostatus {
 	/**
 	 * @brief Store a feed in several conversation entries
 	 *
-	 * @param string $xml The feed
+	 * @param string $xml              The feed
+	 * @param string $conversation     conversation
+	 * @param string $conversation_uri conversation uri
 	 */
-	private static function storeConversation($xml, $conversation = '', $conversation_uri = '') {
+	private static function storeConversation($xml, $conversation = '', $conversation_uri = '')
+	{
 		$doc = new DOMDocument();
 		@$doc->loadXML($xml);
 
@@ -763,7 +771,7 @@ class ostatus {
 		$entries = $xpath->query('/atom:feed/atom:entry');
 
 		// Now store the entries
-		foreach ($entries AS $entry) {
+		foreach ($entries as $entry) {
 			$doc2 = new DOMDocument();
 			$doc2->preserveWhiteSpace = false;
 			$doc2->formatOutput = true;
@@ -776,7 +784,7 @@ class ostatus {
 
 			$inreplyto = $xpath->query('thr:in-reply-to', $entry);
 			if (is_object($inreplyto->item(0))) {
-				foreach ($inreplyto->item(0)->attributes AS $attributes) {
+				foreach ($inreplyto->item(0)->attributes as $attributes) {
 					if ($attributes->name == "ref") {
 						$conv_data['reply-to-uri'] = $attributes->textContent;
 					}
@@ -788,7 +796,7 @@ class ostatus {
 
 			$conv = $xpath->query('ostatus:conversation', $entry);
 			if (is_object($conv->item(0))) {
-				foreach ($conv->item(0)->attributes AS $attributes) {
+				foreach ($conv->item(0)->attributes as $attributes) {
 					if ($attributes->name == "ref") {
 						$conv_data['conversation-uri'] = $attributes->textContent;
 					}
@@ -825,7 +833,7 @@ class ostatus {
 
 	/**
 	 * @brief Fetch the own post so that it can be stored later
-	 * @param array $item The item array
+	 * @param array  $item The item array
 	 *
 	 * We want to store the original data for later processing.
 	 * This function is meant for cases where we process a feed with multiple entries.
@@ -833,7 +841,8 @@ class ostatus {
 	 *
 	 * @param string $self The link to the self item
 	 */
-	private static function fetchSelf($self, &$item) {
+	private static function fetchSelf($self, &$item)
+	{
 		$condition = array('`item-uri` = ? AND `protocol` IN (?, ?)', $self, PROTOCOL_DFRN, PROTOCOL_OSTATUS_SALMON);
 		if (dba::exists('conversation', $condition)) {
 			logger('Conversation '.$item['uri'].' is already stored.', LOGGER_DEBUG);
@@ -862,11 +871,12 @@ class ostatus {
 	/**
 	 * @brief Fetch related posts and processes them
 	 *
-	 * @param string $related The link to the related item
+	 * @param string $related     The link to the related item
 	 * @param string $related_uri The related item in "uri" format
-	 * @param array $importer user record of the importing user
+	 * @param array  $importer    user record of the importing user
 	 */
-	private static function fetchRelated($related, $related_uri, $importer) {
+	private static function fetchRelated($related, $related_uri, $importer)
+	{
 		$condition = array('`item-uri` = ? AND `protocol` IN (?, ?)', $related_uri, PROTOCOL_DFRN, PROTOCOL_OSTATUS_SALMON);
 		$conversation = dba::select('conversation', array('source', 'protocol'), $condition,  array('limit' => 1));
 		if (DBM::is_result($conversation)) {
@@ -907,7 +917,7 @@ class ostatus {
 
 			$links = $xpath->query('//link');
 			if ($links) {
-				foreach ($links AS $link) {
+				foreach ($links as $link) {
 					$attribute = self::read_attributes($link);
 					if (($attribute['rel'] == 'alternate') && ($attribute['type'] == 'application/atom+xml')) {
 						$atom_file = $attribute['href'];
@@ -967,14 +977,15 @@ class ostatus {
 	/**
 	 * @brief Processes the XML for a repeated post
 	 *
-	 * @param object $xpath The xpath object
-	 * @param object $entry The xml entry that is processed
-	 * @param array $item The item array
-	 * @param array $importer user record of the importing user
+	 * @param object $xpath    The xpath object
+	 * @param object $entry    The xml entry that is processed
+	 * @param array  $item     The item array
+	 * @param array  $importer user record of the importing user
 	 *
 	 * @return array with data from links
 	 */
-	private static function processRepeatedItem($xpath, $entry, &$item, $importer) {
+	private static function processRepeatedItem($xpath, $entry, &$item, $importer)
+	{
 		$activityobjects = $xpath->query('activity:object', $entry)->item(0);
 
 		if (!is_object($activityobjects)) {
@@ -1013,7 +1024,7 @@ class ostatus {
 
 		$inreplyto = $xpath->query('thr:in-reply-to', $activityobjects);
 		if (is_object($inreplyto->item(0))) {
-			foreach ($inreplyto->item(0)->attributes AS $attributes) {
+			foreach ($inreplyto->item(0)->attributes as $attributes) {
 				if ($attributes->name == "ref") {
 					$item["parent-uri"] = $attributes->textContent;
 				}
@@ -1027,22 +1038,24 @@ class ostatus {
 	 * @brief Processes links in the XML
 	 *
 	 * @param object $links The xml data that contain links
-	 * @param array $item The item array
+	 * @param array  $item  The item array
 	 *
 	 * @return array with data from the links
 	 */
-	private static function processLinks($links, &$item) {
+	private static function processLinks($links, &$item)
+	{
 		$link_data = array('add_body' => '', 'self' => '');
 
-		foreach ($links AS $link) {
+		foreach ($links as $link) {
 			$attribute = self::read_attributes($link);
 
 			if (($attribute['rel'] != "") && ($attribute['href'] != "")) {
 				switch ($attribute['rel']) {
 					case "alternate":
 						$item["plink"] = $attribute['href'];
-						if (($item["object-type"] == ACTIVITY_OBJ_QUESTION) ||
-							($item["object-type"] == ACTIVITY_OBJ_EVENT)) {
+						if (($item["object-type"] == ACTIVITY_OBJ_QUESTION)
+							|| ($item["object-type"] == ACTIVITY_OBJ_EVENT)
+						) {
 							$item["body"] .= add_page_info($attribute['href']);
 						}
 						break;
@@ -1054,7 +1067,7 @@ class ostatus {
 						}
 						break;
 					case "enclosure":
-						$filetype = strtolower(substr($attribute['type'], 0, strpos($attribute['type'],'/')));
+						$filetype = strtolower(substr($attribute['type'], 0, strpos($attribute['type'], '/')));
 						if ($filetype == 'image') {
 							$link_data['add_body'] .= "\n[img]".$attribute['href'].'[/img]';
 						} else {
@@ -1089,15 +1102,16 @@ class ostatus {
 		return $link_data;
 	}
 
-/**
+	/**
 	 * @brief Create an url out of an uri
 	 *
 	 * @param string $href URI in the format "parameter1:parameter1:..."
 	 *
 	 * @return string URL in the format http(s)://....
 	 */
-	public static function convert_href($href) {
-		$elements = explode(":",$href);
+	public static function convert_href($href)
+	{
+		$elements = explode(":", $href);
 
 		if ((count($elements) <= 2) || ($elements[0] != "tag"))
 			return $href;
@@ -1126,7 +1140,8 @@ class ostatus {
 	 *
 	 * @return string The guid if the post is a reshare
 	 */
-	private static function get_reshared_guid($item) {
+	private static function get_reshared_guid($item)
+	{
 		$body = trim($item["body"]);
 
 		// Skip if it isn't a pure repeated messages
@@ -1138,7 +1153,7 @@ class ostatus {
 		if (strlen($body) > (strrpos($body, "[/share]") + 8))
 			return "";
 
-		$attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
+		$attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "$1", $body);
 		// Skip if there is no shared message in there
 		if ($body == $attributes)
 			return false;
@@ -1162,14 +1177,16 @@ class ostatus {
 	 *
 	 * @return string The cleaned body
 	 */
-	private static function format_picture_post($body) {
+	private static function format_picture_post($body)
+	{
 		$siteinfo = get_attached_data($body);
 
 		if (($siteinfo["type"] == "photo")) {
-			if (isset($siteinfo["preview"]))
+			if (isset($siteinfo["preview"])) {
 				$preview = $siteinfo["preview"];
-			else
+			} else {
 				$preview = $siteinfo["image"];
+			}
 
 			// Is it a remote picture? Then make a smaller preview here
 			$preview = proxy_url($preview, false, PROXY_SIZE_SMALL);
@@ -1178,10 +1195,11 @@ class ostatus {
 			$preview = str_replace(array("-0.jpg", "-0.png"), array("-2.jpg", "-2.png"), $preview);
 			$preview = str_replace(array("-1.jpg", "-1.png"), array("-2.jpg", "-2.png"), $preview);
 
-			if (isset($siteinfo["url"]))
+			if (isset($siteinfo["url"])) {
 				$url = $siteinfo["url"];
-			else
+			} else {
 				$url = $siteinfo["image"];
+			}
 
 			$body = trim($siteinfo["text"])." [url]".$url."[/url]\n[img]".$preview."[/img]";
 		}
@@ -1192,13 +1210,13 @@ class ostatus {
 	/**
 	 * @brief Adds the header elements to the XML document
 	 *
-	 * @param object $doc XML document
-	 * @param array $owner Contact data of the poster
+	 * @param object $doc   XML document
+	 * @param array  $owner Contact data of the poster
 	 *
 	 * @return object header root element
 	 */
-	private static function add_header($doc, $owner) {
-
+	private static function add_header($doc, $owner)
+	{
 		$a = get_app();
 
 		$root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
@@ -1254,10 +1272,12 @@ class ostatus {
 	/**
 	 * @brief Add the link to the push hubs to the XML document
 	 *
-	 * @param object $doc XML document
+	 * @param object $doc  XML document
 	 * @param object $root XML root element where the hub links are added
+	 * @param object $nick nick
 	 */
-	public static function hublinks($doc, $root, $nick) {
+	public static function hublinks($doc, $root, $nick)
+	{
 		$h = System::baseUrl() . '/pubsubhubbub/'.$nick;
 		xml::add_element($doc, $root, "link", "", array("href" => $h, "rel" => "hub"));
 	}
@@ -1265,11 +1285,12 @@ class ostatus {
 	/**
 	 * @brief Adds attachement data to the XML document
 	 *
-	 * @param object $doc XML document
+	 * @param object $doc  XML document
 	 * @param object $root XML root element where the hub links are added
-	 * @param array $item Data of the item that is to be posted
+	 * @param array  $item Data of the item that is to be posted
 	 */
-	private static function get_attachment($doc, $root, $item) {
+	private static function get_attachment($doc, $root, $item)
+	{
 		$o = "";
 		$siteinfo = get_attached_data($item["body"]);
 
@@ -1329,13 +1350,13 @@ class ostatus {
 	/**
 	 * @brief Adds the author element to the XML document
 	 *
-	 * @param object $doc XML document
-	 * @param array $owner Contact data of the poster
+	 * @param object $doc   XML document
+	 * @param array  $owner Contact data of the poster
 	 *
 	 * @return object author element
 	 */
-	private static function add_author($doc, $owner) {
-
+	private static function add_author($doc, $owner)
+	{
 		$r = q("SELECT `homepage`, `publish` FROM `profile` WHERE `uid` = %d AND `is-default` LIMIT 1", intval($owner["uid"]));
 		if (DBM::is_result($r)) {
 			$profile = $r[0];
@@ -1402,8 +1423,7 @@ class ostatus {
 	 * @TODO Picture attachments should look like this:
 	 *	<a href="https://status.pirati.ca/attachment/572819" title="https://status.pirati.ca/file/heluecht-20151202T222602-rd3u49p.gif"
 	 *	class="attachment thumbnail" id="attachment-572819" rel="nofollow external">https://status.pirati.ca/attachment/572819</a>
-	 *
-	*/
+	 */
 
 	/**
 	 * @brief Returns the given activity if present - otherwise returns the "post" activity
@@ -1412,7 +1432,8 @@ class ostatus {
 	 *
 	 * @return string activity
 	 */
-	private static function construct_verb($item) {
+	private static function construct_verb($item)
+	{
 		if ($item['verb'])
 			return $item['verb'];
 		return ACTIVITY_POST;
@@ -1425,7 +1446,8 @@ class ostatus {
 	 *
 	 * @return string Object type
 	 */
-	private static function construct_objecttype($item) {
+	private static function construct_objecttype($item)
+	{
 		if (in_array($item['object-type'], array(ACTIVITY_OBJ_NOTE, ACTIVITY_OBJ_COMMENT)))
 			return $item['object-type'];
 		return ACTIVITY_OBJ_NOTE;
@@ -1434,14 +1456,15 @@ class ostatus {
 	/**
 	 * @brief Adds an entry element to the XML document
 	 *
-	 * @param object $doc XML document
-	 * @param array $item Data of the item that is to be posted
-	 * @param array $owner Contact data of the poster
-	 * @param bool $toplevel
+	 * @param object $doc      XML document
+	 * @param array  $item     Data of the item that is to be posted
+	 * @param array  $owner    Contact data of the poster
+	 * @param bool   $toplevel optional default false
 	 *
 	 * @return object Entry element
 	 */
-	private static function entry($doc, $item, $owner, $toplevel = false) {
+	private static function entry($doc, $item, $owner, $toplevel = false)
+	{
 		$repeated_guid = self::get_reshared_guid($item);
 		if ($repeated_guid != "")
 			$xml = self::reshare_entry($doc, $item, $owner, $repeated_guid, $toplevel);
@@ -1461,23 +1484,20 @@ class ostatus {
 	/**
 	 * @brief Adds a source entry to the XML document
 	 *
-	 * @param object $doc XML document
-	 * @param array $contact Array of the contact that is added
+	 * @param object $doc     XML document
+	 * @param array  $contact Array of the contact that is added
 	 *
 	 * @return object Source element
 	 */
-	private static function source_entry($doc, $contact) {
+	private static function source_entry($doc, $contact)
+	{
 		$source = $doc->createElement("source");
 		xml::add_element($doc, $source, "id", $contact["poll"]);
 		xml::add_element($doc, $source, "title", $contact["name"]);
-		xml::add_element($doc, $source, "link", "", array("rel" => "alternate",
-								"type" => "text/html",
-								"href" => $contact["alias"]));
-		xml::add_element($doc, $source, "link", "", array("rel" => "self",
-								"type" => "application/atom+xml",
-								"href" => $contact["poll"]));
+		xml::add_element($doc, $source, "link", "", array("rel" => "alternate", "type" => "text/html", "href" => $contact["alias"]));
+		xml::add_element($doc, $source, "link", "", array("rel" => "self", "type" => "application/atom+xml", "href" => $contact["poll"]));
 		xml::add_element($doc, $source, "icon", $contact["photo"]);
-		xml::add_element($doc, $source, "updated", datetime_convert("UTC","UTC",$contact["success_update"]."+00:00",ATOM_TIME));
+		xml::add_element($doc, $source, "updated", datetime_convert("UTC", "UTC", $contact["success_update"]."+00:00", ATOM_TIME));
 
 		return $source;
 	}
@@ -1485,23 +1505,28 @@ class ostatus {
 	/**
 	 * @brief Fetches contact data from the contact or the gcontact table
 	 *
-	 * @param string $url URL of the contact
-	 * @param array $owner Contact data of the poster
+	 * @param string $url   URL of the contact
+	 * @param array  $owner Contact data of the poster
 	 *
 	 * @return array Contact array
 	 */
 	private static function contact_entry($url, $owner) {
 
-		$r = q("SELECT * FROM `contact` WHERE `nurl` = '%s' AND `uid` IN (0, %d) ORDER BY `uid` DESC LIMIT 1",
-			dbesc(normalise_link($url)), intval($owner["uid"]));
+		$r = q(
+			"SELECT * FROM `contact` WHERE `nurl` = '%s' AND `uid` IN (0, %d) ORDER BY `uid` DESC LIMIT 1",
+			dbesc(normalise_link($url)),
+			intval($owner["uid"])
+		);
 		if (DBM::is_result($r)) {
 			$contact = $r[0];
 			$contact["uid"] = -1;
 		}
 
 		if (!DBM::is_result($r)) {
-			$r = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
-				dbesc(normalise_link($url)));
+			$r = q(
+				"SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
+				dbesc(normalise_link($url))
+			);
 			if (DBM::is_result($r)) {
 				$contact = $r[0];
 				$contact["uid"] = -1;
@@ -1509,19 +1534,22 @@ class ostatus {
 			}
 		}
 
-		if (!DBM::is_result($r))
+		if (!DBM::is_result($r)) {
 			$contact = owner;
+		}
 
 		if (!isset($contact["poll"])) {
 			$data = Probe::uri($url);
 			$contact["poll"] = $data["poll"];
 
-			if (!$contact["alias"])
+			if (!$contact["alias"]) {
 				$contact["alias"] = $data["alias"];
+			}
 		}
 
-		if (!isset($contact["alias"]))
+		if (!isset($contact["alias"])) {
 			$contact["alias"] = $contact["url"];
+		}
 
 		return $contact;
 	}
@@ -1529,25 +1557,30 @@ class ostatus {
 	/**
 	 * @brief Adds an entry element with reshared content
 	 *
-	 * @param object $doc XML document
-	 * @param array $item Data of the item that is to be posted
-	 * @param array $owner Contact data of the poster
-	 * @param $repeated_guid
-	 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
+	 * @param object $doc           XML document
+	 * @param array  $item          Data of the item that is to be posted
+	 * @param array  $owner         Contact data of the poster
+	 * @param        $repeated_guid
+	 * @param bool   $toplevel      Is it for en entry element (false) or a feed entry (true)?
 	 *
 	 * @return object Entry element
 	 */
-	private static function reshare_entry($doc, $item, $owner, $repeated_guid, $toplevel) {
-
+	private static function reshare_entry($doc, $item, $owner, $repeated_guid, $toplevel)
+	{
 		if (($item["id"] != $item["parent"]) && (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
 			logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
 		}
 
 		$title = self::entry_header($doc, $entry, $owner, $toplevel);
 
-		$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' AND NOT `private` AND `network` IN ('%s', '%s', '%s') LIMIT 1",
-			intval($owner["uid"]), dbesc($repeated_guid),
-			dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS));
+		$r = q(
+			"SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' AND NOT `private` AND `network` IN ('%s', '%s', '%s') LIMIT 1",
+			intval($owner["uid"]),
+			dbesc($repeated_guid),
+			dbesc(NETWORK_DFRN),
+			dbesc(NETWORK_DIASPORA),
+			dbesc(NETWORK_OSTATUS)
+		);
 		if (DBM::is_result($r)) {
 			$repeated_item = $r[0];
 		} else {
@@ -1596,15 +1629,15 @@ class ostatus {
 	/**
 	 * @brief Adds an entry element with a "like"
 	 *
-	 * @param object $doc XML document
-	 * @param array $item Data of the item that is to be posted
-	 * @param array $owner Contact data of the poster
-	 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
+	 * @param object $doc      XML document
+	 * @param array  $item     Data of the item that is to be posted
+	 * @param array  $owner    Contact data of the poster
+	 * @param bool   $toplevel Is it for en entry element (false) or a feed entry (true)?
 	 *
 	 * @return object Entry element with "like"
 	 */
-	private static function like_entry($doc, $item, $owner, $toplevel) {
-
+	private static function like_entry($doc, $item, $owner, $toplevel)
+	{
 		if (($item["id"] != $item["parent"]) && (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
 			logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
 		}
@@ -1616,8 +1649,11 @@ class ostatus {
 
 		$as_object = $doc->createElement("activity:object");
 
-		$parent = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
-			dbesc($item["thr-parent"]), intval($item["uid"]));
+		$parent = q(
+			"SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
+			dbesc($item["thr-parent"]),
+			intval($item["uid"])
+		);
 		$parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
 
 		xml::add_element($doc, $as_object, "activity:object-type", self::construct_objecttype($parent[0]));
@@ -1634,14 +1670,14 @@ class ostatus {
 	/**
 	 * @brief Adds the person object element to the XML document
 	 *
-	 * @param object $doc XML document
-	 * @param array $owner Contact data of the poster
-	 * @param array $contact Contact data of the target
+	 * @param object $doc     XML document
+	 * @param array  $owner   Contact data of the poster
+	 * @param array  $contact Contact data of the target
 	 *
 	 * @return object author element
 	 */
-	private static function add_person_object($doc, $owner, $contact) {
-
+	private static function add_person_object($doc, $owner, $contact)
+	{
 		$object = $doc->createElement("activity:object");
 		xml::add_element($doc, $object, "activity:object-type", ACTIVITY_OBJ_PERSON);
 
@@ -1679,10 +1715,10 @@ class ostatus {
 	/**
 	 * @brief Adds a follow/unfollow entry element
 	 *
-	 * @param object $doc XML document
-	 * @param array $item Data of the follow/unfollow message
-	 * @param array $owner Contact data of the poster
-	 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
+	 * @param object $doc      XML document
+	 * @param array  $item     Data of the follow/unfollow message
+	 * @param array  $owner    Contact data of the poster
+	 * @param bool   $toplevel Is it for en entry element (false) or a feed entry (true)?
 	 *
 	 * @return object Entry element
 	 */
@@ -1700,8 +1736,11 @@ class ostatus {
 			$item['follow'] = $contact['alias'];
 		}
 
-		$r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
-			intval($owner['uid']), dbesc(normalise_link($contact["url"])));
+		$r = q(
+			"SELECT `id` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
+			intval($owner['uid']),
+			dbesc(normalise_link($contact["url"]))
+		);
 
 		if (DBM::is_result($r)) {
 			$connect_id = $r[0]['id'];
@@ -1719,8 +1758,8 @@ class ostatus {
 			$action = "unfollow";
 		}
 
-		$item["uri"] = $item['parent-uri'] = $item['thr-parent'] =
-				'tag:'.get_app()->get_hostname().
+		$item["uri"] = $item['parent-uri'] = $item['thr-parent']
+				= 'tag:'.get_app()->get_hostname().
 				','.date('Y-m-d').':'.$action.':'.$owner['uid'].
 				':person:'.$connect_id.':'.$item['created'];
 
@@ -1741,15 +1780,15 @@ class ostatus {
 	/**
 	 * @brief Adds a regular entry element
 	 *
-	 * @param object $doc XML document
-	 * @param array $item Data of the item that is to be posted
-	 * @param array $owner Contact data of the poster
-	 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
+	 * @param object $doc      XML document
+	 * @param array  $item     Data of the item that is to be posted
+	 * @param array  $owner    Contact data of the poster
+	 * @param bool   $toplevel Is it for en entry element (false) or a feed entry (true)?
 	 *
 	 * @return object Entry element
 	 */
-	private static function note_entry($doc, $item, $owner, $toplevel) {
-
+	private static function note_entry($doc, $item, $owner, $toplevel)
+	{
 		if (($item["id"] != $item["parent"]) && (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
 			logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
 		}
@@ -1768,14 +1807,15 @@ class ostatus {
 	/**
 	 * @brief Adds a header element to the XML document
 	 *
-	 * @param object $doc XML document
-	 * @param object $entry The entry element where the elements are added
-	 * @param array $owner Contact data of the poster
-	 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
+	 * @param object $doc      XML document
+	 * @param object $entry    The entry element where the elements are added
+	 * @param array  $owner    Contact data of the poster
+	 * @param bool   $toplevel Is it for en entry element (false) or a feed entry (true)?
 	 *
 	 * @return string The title for the element
 	 */
-	private static function entry_header($doc, &$entry, $owner, $toplevel) {
+	private static function entry_header($doc, &$entry, $owner, $toplevel)
+	{
 		/// @todo Check if this title stuff is really needed (I guess not)
 		if (!$toplevel) {
 			$entry = $doc->createElement("entry");
@@ -1803,18 +1843,19 @@ class ostatus {
 	/**
 	 * @brief Adds elements to the XML document
 	 *
-	 * @param object $doc XML document
-	 * @param object $entry Entry element where the content is added
-	 * @param array $item Data of the item that is to be posted
-	 * @param array $owner Contact data of the poster
-	 * @param string $title Title for the post
-	 * @param string $verb The activity verb
-	 * @param bool $complete Add the "status_net" element?
+	 * @param object $doc      XML document
+	 * @param object $entry    Entry element where the content is added
+	 * @param array  $item     Data of the item that is to be posted
+	 * @param array  $owner    Contact data of the poster
+	 * @param string $title    Title for the post
+	 * @param string $verb     The activity verb
+	 * @param bool   $complete Add the "status_net" element?
 	 */
-	private static function entry_content($doc, $entry, $item, $owner, $title, $verb = "", $complete = true) {
-
-		if ($verb == "")
+	private static function entry_content($doc, $entry, $item, $owner, $title, $verb = "", $complete = true)
+	{
+		if ($verb == "") {
 			$verb = self::construct_verb($item);
+		}
 
 		xml::add_element($doc, $entry, "id", $item["uri"]);
 		xml::add_element($doc, $entry, "title", $title);
@@ -1829,37 +1870,41 @@ class ostatus {
 		xml::add_element($doc, $entry, "content", $body, array("type" => "html"));
 
 		xml::add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
-								"href" => System::baseUrl()."/display/".$item["guid"]));
+			"href" => System::baseUrl()."/display/".$item["guid"])
+		);
 
-		if ($complete && ($item["id"] > 0))
+		if ($complete && ($item["id"] > 0)) {
 			xml::add_element($doc, $entry, "status_net", "", array("notice_id" => $item["id"]));
+		}
 
 		xml::add_element($doc, $entry, "activity:verb", $verb);
 
-		xml::add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
-		xml::add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
+		xml::add_element($doc, $entry, "published", datetime_convert("UTC", "UTC", $item["created"]."+00:00", ATOM_TIME));
+		xml::add_element($doc, $entry, "updated", datetime_convert("UTC", "UTC", $item["edited"]."+00:00", ATOM_TIME));
 	}
 
 	/**
 	 * @brief Adds the elements at the foot of an entry to the XML document
 	 *
-	 * @param object $doc XML document
-	 * @param object $entry The entry element where the elements are added
-	 * @param array $item Data of the item that is to be posted
-	 * @param array $owner Contact data of the poster
-	 * @param $complete
+	 * @param object $doc      XML document
+	 * @param object $entry    The entry element where the elements are added
+	 * @param array  $item     Data of the item that is to be posted
+	 * @param array  $owner    Contact data of the poster
+	 * @param bool   $complete default true
 	 */
-	private static function entry_footer($doc, $entry, $item, $owner, $complete = true) {
-
+	private static function entry_footer($doc, $entry, $item, $owner, $complete = true)
+	{
 		$mentioned = array();
 
 		if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
 			$parent = q("SELECT `guid`, `author-link`, `owner-link` FROM `item` WHERE `id` = %d", intval($item["parent"]));
 			$parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
 
-			$thrparent = q("SELECT `guid`, `author-link`, `owner-link`, `plink` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
-					intval($owner["uid"]),
-					dbesc($parent_item));
+			$thrparent = q(
+				"SELECT `guid`, `author-link`, `owner-link`, `plink` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
+				intval($owner["uid"]),
+				dbesc($parent_item)
+			);
 			if ($thrparent) {
 				$mentioned[$thrparent[0]["author-link"]] = $thrparent[0]["author-link"];
 				$mentioned[$thrparent[0]["owner-link"]] = $thrparent[0]["owner-link"];
@@ -1909,31 +1954,43 @@ class ostatus {
 
 		$tags = item_getfeedtags($item);
 
-		if (count($tags))
-			foreach ($tags as $t)
-				if ($t[0] == "@")
+		if (count($tags)) {
+			foreach ($tags as $t) {
+				if ($t[0] == "@") {
 					$mentioned[$t[1]] = $t[1];
+				}
+			}
+		}
 
 		// Make sure that mentions are accepted (GNU Social has problems with mixing HTTP and HTTPS)
 		$newmentions = array();
-		foreach ($mentioned AS $mention) {
+		foreach ($mentioned as $mention) {
 			$newmentions[str_replace("http://", "https://", $mention)] = str_replace("http://", "https://", $mention);
 			$newmentions[str_replace("https://", "http://", $mention)] = str_replace("https://", "http://", $mention);
 		}
 		$mentioned = $newmentions;
 
-		foreach ($mentioned AS $mention) {
-			$r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
+		foreach ($mentioned as $mention) {
+			$r = q(
+				"SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
 				intval($owner["uid"]),
-				dbesc(normalise_link($mention)));
-			if ($r[0]["forum"] || $r[0]["prv"])
-				xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned",
-											"ostatus:object-type" => ACTIVITY_OBJ_GROUP,
-											"href" => $mention));
-			else
-				xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned",
-											"ostatus:object-type" => ACTIVITY_OBJ_PERSON,
-											"href" => $mention));
+				dbesc(normalise_link($mention))
+			);
+			if ($r[0]["forum"] || $r[0]["prv"]) {
+				xml::add_element($doc, $entry, "link", "",
+					array(
+						"rel" => "mentioned",
+						"ostatus:object-type" => ACTIVITY_OBJ_GROUP,
+						"href" => $mention)
+				);
+			} else {
+				xml::add_element($doc, $entry, "link", "",
+					array(
+						"rel" => "mentioned",
+						"ostatus:object-type" => ACTIVITY_OBJ_PERSON,
+						"href" => $mention)
+				);
+			}
 		}
 
 		if (!$item["private"]) {
@@ -1945,10 +2002,13 @@ class ostatus {
 			xml::add_element($doc, $entry, "mastodon:scope", "public");
 		}
 
-		if (count($tags))
-			foreach ($tags as $t)
-				if ($t[0] != "@")
+		if (count($tags)) {
+			foreach ($tags as $t) {
+				if ($t[0] != "@") {
 					xml::add_element($doc, $entry, "category", "", array("term" => $t[2]));
+				}
+			}
+		}
 
 		self::get_attachment($doc, $entry, $item);
 
@@ -1959,11 +2019,13 @@ class ostatus {
 
 			$attributes = array("local_id" => $item["id"], "source" => $app);
 
-			if (isset($parent["id"]))
+			if (isset($parent["id"])) {
 				$attributes["repeat_of"] = $parent["id"];
+			}
 
-			if ($item["coord"] != "")
+			if ($item["coord"] != "") {
 				xml::add_element($doc, $entry, "georss:point", $item["coord"]);
+			}
 
 			xml::add_element($doc, $entry, "statusnet:notice_info", "", $attributes);
 		}
@@ -1972,14 +2034,15 @@ class ostatus {
 	/**
 	 * @brief Creates the XML feed for a given nickname
 	 *
-	 * @param App $a The application class
-	 * @param string $owner_nick Nickname of the feed owner
-	 * @param string $last_update Date of the last update
-	 * @param integer $max_items Number of maximum items to fetch
+	 * @param object  $a           The application class
+	 * @param string  $owner_nick  Nickname of the feed owner
+	 * @param string  $last_update Date of the last update
+	 * @param integer $max_items   Number of maximum items to fetch
 	 *
 	 * @return string XML feed
 	 */
-	public static function feed(App $a, $owner_nick, &$last_update, $max_items = 300) {
+	public static function feed(App $a, $owner_nick, &$last_update, $max_items = 300)
+	{
 		$stamp = microtime(true);
 
 		$cachekey = "ostatus:feed:".$owner_nick.":".$last_update;
@@ -1993,10 +2056,12 @@ class ostatus {
 			return $result['feed'];
 		}
 
-		$r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
+		$r = q(
+			"SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
 				FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 				WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
-				dbesc($owner_nick));
+			dbesc($owner_nick)
+		);
 		if (!DBM::is_result($r)) {
 			return;
 		}
@@ -2007,26 +2072,28 @@ class ostatus {
 			$last_update = 'now -30 days';
 		}
 
-		$check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
+		$check_date = datetime_convert('UTC', 'UTC', $last_update, 'Y-m-d H:i:s');
 		$authorid = get_contact($owner["url"], 0);
 
-		$items = q("SELECT `item`.*, `item`.`id` AS `item_id` FROM `item` USE INDEX (`uid_contactid_created`)
+		$items = q(
+			"SELECT `item`.*, `item`.`id` AS `item_id` FROM `item` USE INDEX (`uid_contactid_created`)
 				STRAIGHT_JOIN `thread` ON `thread`.`iid` = `item`.`parent`
 				WHERE `item`.`uid` = %d AND `item`.`contact-id` = %d AND
 					`item`.`author-id` = %d AND `item`.`created` > '%s' AND
 					NOT `item`.`deleted` AND NOT `item`.`private` AND
 					`thread`.`network` IN ('%s', '%s')
 				ORDER BY `item`.`created` DESC LIMIT %d",
-				intval($owner["uid"]), intval($owner["id"]),
-				intval($authorid), dbesc($check_date),
-				dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN), intval($max_items));
+			intval($owner["uid"]), intval($owner["id"]),
+			intval($authorid), dbesc($check_date),
+			dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN), intval($max_items)
+		);
 
 		$doc = new DOMDocument('1.0', 'utf-8');
 		$doc->formatOutput = true;
 
 		$root = self::add_header($doc, $owner);
 
-		foreach ($items AS $item) {
+		foreach ($items as $item) {
 			if (Config::get('system', 'ostatus_debug')) {
 				$item['body'] .= '🍼';
 			}
@@ -2051,13 +2118,13 @@ class ostatus {
 	/**
 	 * @brief Creates the XML for a salmon message
 	 *
-	 * @param array $item Data of the item that is to be posted
+	 * @param array $item  Data of the item that is to be posted
 	 * @param array $owner Contact data of the poster
 	 *
 	 * @return string XML for the salmon
 	 */
-	public static function salmon($item,$owner) {
-
+	public static function salmon($item, $owner)
+	{
 		$doc = new DOMDocument('1.0', 'utf-8');
 		$doc->formatOutput = true;
 
diff --git a/include/photos.php b/include/photos.php
index 49ba83fa3c..592a138325 100644
--- a/include/photos.php
+++ b/include/photos.php
@@ -3,7 +3,7 @@
  * @file include/photos.php
  * @brief Functions related to photo handling.
  */
-
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 
diff --git a/include/queue.php b/include/queue.php
index c930cd9cff..f3841c997c 100644
--- a/include/queue.php
+++ b/include/queue.php
@@ -1,5 +1,8 @@
 <?php
-
+/**
+ * @file include/queue.php
+ */
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
@@ -11,9 +14,9 @@ require_once 'include/datetime.php';
 require_once 'include/items.php';
 require_once 'include/bbcode.php';
 require_once 'include/socgraph.php';
-require_once 'include/cache.php';
 
-function queue_run(&$argv, &$argc) {
+function queue_run(&$argv, &$argc)
+{
 	global $a;
 
 	if ($argc > 1) {
@@ -26,15 +29,16 @@ function queue_run(&$argv, &$argc) {
 	$cachekey_server = 'queue_run:server:';
 
 	if (!$queue_id) {
-
 		logger('queue: start');
 
 		// Handling the pubsubhubbub requests
 		Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), 'pubsubpublish');
 
-		$r = q("SELECT `queue`.*, `contact`.`name`, `contact`.`uid` FROM `queue`
+		$r = q(
+			"SELECT `queue`.*, `contact`.`name`, `contact`.`uid` FROM `queue`
 			INNER JOIN `contact` ON `queue`.`cid` = `contact`.`id`
-			WHERE `queue`.`created` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
+			WHERE `queue`.`created` < UTC_TIMESTAMP() - INTERVAL 3 DAY"
+		);
 
 		if (DBM::is_result($r)) {
 			foreach ($r as $rr) {
@@ -64,10 +68,12 @@ function queue_run(&$argv, &$argc) {
 
 	// delivering
 
-	require_once 'include/salmon.php';
+	include_once 'include/salmon.php';
 
-	$r = q("SELECT * FROM `queue` WHERE `id` = %d LIMIT 1",
-		intval($queue_id));
+	$r = q(
+		"SELECT * FROM `queue` WHERE `id` = %d LIMIT 1",
+		intval($queue_id)
+	);
 
 	if (!DBM::is_result($r)) {
 		return;
@@ -75,7 +81,8 @@ function queue_run(&$argv, &$argc) {
 
 	$q_item = $r[0];
 
-	$c = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
+	$c = q(
+		"SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 		intval($q_item['cid'])
 	);
 
@@ -111,7 +118,8 @@ function queue_run(&$argv, &$argc) {
 		}
 	}
 
-	$u = q("SELECT `user`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`
+	$u = q(
+		"SELECT `user`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`
 		FROM `user` WHERE `uid` = %d LIMIT 1",
 		intval($c[0]['uid'])
 	);
@@ -176,7 +184,6 @@ function queue_run(&$argv, &$argc) {
 				update_queue_time($q_item['id']);
 			}
 			break;
-
 	}
 	logger('Deliver status '.(int)$deliver_status.' for item '.$q_item['id'].' to '.$contact['name'].' <'.$contact['url'].'>');
 
diff --git a/include/session.php b/include/session.php
index 812de547c4..54c17e3754 100644
--- a/include/session.php
+++ b/include/session.php
@@ -1,27 +1,28 @@
 <?php
-// Session management functions. These provide database storage of PHP
-// session info.
-
+/**
+ * Session management functions. These provide database storage of PHP session info.
+ */
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
 
-require_once('include/cache.php');
-
 $session_exists = 0;
 $session_expire = 180000;
 
-function ref_session_open($s, $n) {
+function ref_session_open($s, $n)
+{
 	return true;
 }
 
-function ref_session_read($id) {
+function ref_session_read($id)
+{
 	global $session_exists;
 
 	if (!x($id)) {
 		return '';
 	}
 
-	$memcache = cache::memcache();
+	$memcache = Cache::memcache();
 	if (is_object($memcache)) {
 		$data = $memcache->get(get_app()->get_hostname().":session:".$id);
 		if (!is_bool($data)) {
@@ -50,13 +51,14 @@ function ref_session_read($id) {
  * on the case. Uses the $session_expire global for existing session, 5 minutes
  * for newly created session.
  *
- * @global bool $session_exists Whether a session with the given id already exists
- * @global int $session_expire Session expiration delay in seconds
- * @param string $id Session ID with format: [a-z0-9]{26}
- * @param string $data Serialized session data
+ * @global bool   $session_exists Whether a session with the given id already exists
+ * @global int    $session_expire Session expiration delay in seconds
+ * @param  string $id   Session ID with format: [a-z0-9]{26}
+ * @param  string $data Serialized session data
  * @return boolean Returns false if parameters are missing, true otherwise
  */
-function ref_session_write($id, $data) {
+function ref_session_write($id, $data)
+{
 	global $session_exists, $session_expire;
 
 	if (!$id || !$data) {
@@ -66,7 +68,7 @@ function ref_session_write($id, $data) {
 	$expire = time() + $session_expire;
 	$default_expire = time() + 300;
 
-	$memcache = cache::memcache();
+	$memcache = Cache::memcache();
 	$a = get_app();
 	if (is_object($memcache) && is_object($a)) {
 		$memcache->set($a->get_hostname().":session:".$id, $data, MEMCACHE_COMPRESSED, $expire);
@@ -85,12 +87,14 @@ function ref_session_write($id, $data) {
 	return true;
 }
 
-function ref_session_close() {
+function ref_session_close()
+{
 	return true;
 }
 
-function ref_session_destroy($id) {
-	$memcache = cache::memcache();
+function ref_session_destroy($id)
+{
+	$memcache = Cache::memcache();
 
 	if (is_object($memcache)) {
 		$memcache->delete(get_app()->get_hostname().":session:".$id);
@@ -101,7 +105,8 @@ function ref_session_destroy($id) {
 	return true;
 }
 
-function ref_session_gc($expire) {
+function ref_session_gc($expire)
+{
 	dba::delete('session', array("`expire` < ?", time()));
 	return true;
 }
@@ -117,7 +122,9 @@ if (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL) {
 }
 
 if (!Config::get('system', 'disable_database_session')) {
-	session_set_save_handler('ref_session_open', 'ref_session_close',
-				'ref_session_read', 'ref_session_write',
-				'ref_session_destroy', 'ref_session_gc');
+	session_set_save_handler(
+		'ref_session_open', 'ref_session_close',
+		'ref_session_read', 'ref_session_write',
+		'ref_session_destroy', 'ref_session_gc'
+	);
 }
diff --git a/include/socgraph.php b/include/socgraph.php
index e1c0e13856..551fcfe2de 100644
--- a/include/socgraph.php
+++ b/include/socgraph.php
@@ -9,6 +9,7 @@
 
 use Friendica\App;
 use Friendica\Core\System;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
diff --git a/mod/ping.php b/mod/ping.php
index 00620ddeb5..8688e8d5c2 100644
--- a/mod/ping.php
+++ b/mod/ping.php
@@ -1,18 +1,20 @@
 <?php
-
+/**
+ * @file include/ping.php
+ */
 use Friendica\App;
+use Friendica\Core\Cache;
 use Friendica\Core\System;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
 
-require_once('include/datetime.php');
-require_once('include/bbcode.php');
-require_once('include/ForumManager.php');
-require_once('include/group.php');
-require_once('mod/proxy.php');
-require_once('include/xml.php');
-require_once('include/cache.php');
-require_once('include/enotify.php');
+require_once 'include/datetime.php';
+require_once 'include/bbcode.php';
+require_once 'include/ForumManager.php';
+require_once 'include/group.php';
+require_once 'mod/proxy.php';
+require_once 'include/xml.php';
+require_once 'include/enotify.php';
 
 /**
  * @brief Outputs the counts and the lists of various notifications
@@ -96,10 +98,9 @@ function ping_init(App $a)
 	$data['birthdays']        = $birthdays;
 	$data['birthdays-today']  = $birthdays_today;
 
-	if (local_user()){
+	if (local_user()) {
 		// Different login session than the page that is calling us.
 		if (intval($_GET['uid']) && intval($_GET['uid']) != local_user()) {
-
 			$data = array('result' => array('invalid' => 1));
 
 			if ($format == 'json') {
@@ -120,7 +121,8 @@ function ping_init(App $a)
 
 		$notifs = ping_get_notifications(local_user());
 
-		$items_unseen = q("SELECT `item`.`id`, `item`.`parent`, `item`.`verb`, `item`.`wall`, `item`.`author-name`,
+		$items_unseen = q(
+			"SELECT `item`.`id`, `item`.`parent`, `item`.`verb`, `item`.`wall`, `item`.`author-name`,
 				`item`.`contact-id`, `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object`,
 				`pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`
 				FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id` = `item`.`parent`
@@ -128,7 +130,8 @@ function ping_init(App $a)
 				 `item`.`deleted` = 0 AND `item`.`uid` = %d AND `pitem`.`parent` != 0
 				AND `item`.`contact-id` != %d
 				ORDER BY `item`.`created` DESC",
-			intval(local_user()), intval(local_user())
+			intval(local_user()),
+			intval(local_user())
 		);
 
 		if (DBM::is_result($items_unseen)) {
@@ -169,13 +172,15 @@ function ping_init(App $a)
 			}
 		}
 
-		$intros1 = q("SELECT  `intro`.`id`, `intro`.`datetime`,
+		$intros1 = q(
+			"SELECT  `intro`.`id`, `intro`.`datetime`,
 			`fcontact`.`name`, `fcontact`.`url`, `fcontact`.`photo`
 			FROM `intro` LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 			WHERE `intro`.`uid` = %d  AND `intro`.`blocked` = 0 AND `intro`.`ignore` = 0 AND `intro`.`fid` != 0",
 			intval(local_user())
 		);
-		$intros2 = q("SELECT `intro`.`id`, `intro`.`datetime`,
+		$intros2 = q(
+			"SELECT `intro`.`id`, `intro`.`datetime`,
 			`contact`.`name`, `contact`.`url`, `contact`.`photo`
 			FROM `intro` LEFT JOIN `contact` ON `intro`.`contact-id` = `contact`.`id`
 			WHERE `intro`.`uid` = %d  AND `intro`.`blocked` = 0 AND `intro`.`ignore` = 0 AND `intro`.`contact-id` != 0",
@@ -186,17 +191,20 @@ function ping_init(App $a)
 		$intros = $intros1 + $intros2;
 
 		$myurl = System::baseUrl() . '/profile/' . $a->user['nickname'] ;
-		$mails = q("SELECT `id`, `from-name`, `from-url`, `from-photo`, `created` FROM `mail`
+		$mails = q(
+			"SELECT `id`, `from-name`, `from-url`, `from-photo`, `created` FROM `mail`
 			WHERE `uid` = %d AND `seen` = 0 AND `from-url` != '%s' ",
 			intval(local_user()),
 			dbesc($myurl)
 		);
 		$mail_count = count($mails);
 
-		if ($a->config['register_policy'] == REGISTER_APPROVE && is_site_admin()){
-			$regs = q("SELECT `contact`.`name`, `contact`.`url`, `contact`.`micro`, `register`.`created`, COUNT(*) AS `total`
+		if ($a->config['register_policy'] == REGISTER_APPROVE && is_site_admin()) {
+			$regs = q(
+				"SELECT `contact`.`name`, `contact`.`url`, `contact`.`micro`, `register`.`created`, COUNT(*) AS `total`
 				FROM `contact` RIGHT JOIN `register` ON `register`.`uid` = `contact`.`uid`
-				WHERE `contact`.`self` = 1");
+				WHERE `contact`.`self` = 1"
+			);
 
 			if (DBM::is_result($regs)) {
 				$register_count = $regs[0]['total'];
@@ -206,7 +214,8 @@ function ping_init(App $a)
 		$cachekey = "ping_init:".local_user();
 		$ev = Cache::get($cachekey);
 		if (is_null($ev)) {
-			$ev = q("SELECT type, start, adjust FROM `event`
+			$ev = q(
+				"SELECT type, start, adjust FROM `event`
 				WHERE `event`.`uid` = %d AND `start` < '%s' AND `finish` > '%s' and `ignore` = 0
 				ORDER BY `start` ASC ",
 				intval(local_user()),
@@ -223,21 +232,21 @@ function ping_init(App $a)
 
 			if ($all_events) {
 				$str_now = datetime_convert('UTC', $a->timezone, 'now', 'Y-m-d');
-				foreach($ev as $x) {
+				foreach ($ev as $x) {
 					$bd = false;
 					if ($x['type'] === 'birthday') {
 						$birthdays ++;
 						$bd = true;
-					}
-					else {
+					} else {
 						$events ++;
 					}
 					if (datetime_convert('UTC', ((intval($x['adjust'])) ? $a->timezone : 'UTC'), $x['start'], 'Y-m-d') === $str_now) {
 						$all_events_today ++;
-						if ($bd)
+						if ($bd) {
 							$birthdays_today ++;
-						else
+						} else {
 							$events_today ++;
+						}
 					}
 				}
 			}
@@ -311,7 +320,7 @@ function ping_init(App $a)
 		}
 
 		// sort notifications by $[]['date']
-		$sort_function = function($a, $b) {
+		$sort_function = function ($a, $b) {
 			$adate = strtotime($a['date']);
 			$bdate = strtotime($b['date']);
 
@@ -426,7 +435,8 @@ function ping_get_notifications($uid)
 	$a = get_app();
 
 	do {
-		$r = q("SELECT `notify`.*, `item`.`visible`, `item`.`spam`, `item`.`deleted`
+		$r = q(
+			"SELECT `notify`.*, `item`.`visible`, `item`.`spam`, `item`.`deleted`
 			FROM `notify` LEFT JOIN `item` ON `item`.`id` = `notify`.`iid`
 			WHERE `notify`.`uid` = %d AND `notify`.`msg` != ''
 			AND NOT (`notify`.`type` IN (%d, %d))
@@ -448,7 +458,7 @@ function ping_get_notifications($uid)
 			$offset += 50;
 		}
 
-		foreach ($r AS $notification) {
+		foreach ($r as $notification) {
 			if (is_null($notification["visible"])) {
 				$notification["visible"] = true;
 			}
@@ -468,7 +478,8 @@ function ping_get_notifications($uid)
 				$notification["name"] = strip_tags(bbcode($notification["name"]));
 				$notification["message"] = format_notification_message($notification["name"], strip_tags(bbcode($notification["msg"])));
 
-				q("UPDATE `notify` SET `name_cache` = '%s', `msg_cache` = '%s' WHERE `id` = %d",
+				q(
+					"UPDATE `notify` SET `name_cache` = '%s', `msg_cache` = '%s' WHERE `id` = %d",
 					dbesc($notification["name"]),
 					dbesc($notification["message"]),
 					intval($notification["id"])
@@ -477,8 +488,9 @@ function ping_get_notifications($uid)
 
 			$notification["href"] = System::baseUrl() . "/notify/view/" . $notification["id"];
 
-			if ($notification["visible"] && !$notification["spam"] &&
-				!$notification["deleted"] && !is_array($result[$notification["parent"]])) {
+			if ($notification["visible"] && !$notification["spam"]
+				&& !$notification["deleted"] && !is_array($result[$notification["parent"]])
+			) {
 				// Should we condense the notifications or show them all?
 				if (PConfig::get(local_user(), 'system', 'detailed_notif')) {
 					$result[$notification["id"]] = $notification;
@@ -496,19 +508,19 @@ function ping_get_notifications($uid)
  * @brief Backward-compatible XML formatting for ping.php output
  * @deprecated
  *
- * @param array $data The initial ping data array
- * @param int $sysnotify_count Number of unseen system notifications
- * @param array $notifs Complete list of notification
- * @param array $sysmsgs List of system notice messages
- * @param array $sysmsgs_info List of system info messages
- * @param int $groups_unseen Number of unseen group items
- * @param int $forums_unseen Number of unseen forum items
+ * @param array $data          The initial ping data array
+ * @param int   $sysnotify     Number of unseen system notifications
+ * @param array $notifs        Complete list of notification
+ * @param array $sysmsgs       List of system notice messages
+ * @param array $sysmsgs_info  List of system info messages
+ * @param int   $groups_unseen Number of unseen group items
+ * @param int   $forums_unseen Number of unseen forum items
  * @return array XML-transform ready data array
  */
 function ping_format_xml_data($data, $sysnotify, $notifs, $sysmsgs, $sysmsgs_info, $groups_unseen, $forums_unseen)
 {
 	$notifications = array();
-	foreach($notifs as $key => $notif) {
+	foreach ($notifs as $key => $notif) {
 		$notifications[$key . ':note'] = $notif['message'];
 
 		$notifications[$key . ':@attributes'] = array(
@@ -524,10 +536,10 @@ function ping_format_xml_data($data, $sysnotify, $notifs, $sysmsgs, $sysmsgs_inf
 	}
 
 	$sysmsg = array();
-	foreach ($sysmsgs as $key => $m){
+	foreach ($sysmsgs as $key => $m) {
 		$sysmsg[$key . ':notice'] = $m;
 	}
-	foreach ($sysmsgs_info as $key => $m){
+	foreach ($sysmsgs_info as $key => $m) {
 		$sysmsg[$key . ':info'] = $m;
 	}
 
diff --git a/mod/poco.php b/mod/poco.php
index c5c5ef4c83..a32972f9ee 100644
--- a/mod/poco.php
+++ b/mod/poco.php
@@ -4,6 +4,7 @@
 // https://web.archive.org/web/20160405005550/http://portablecontacts.net/draft-spec.html
 
 use Friendica\App;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
 
diff --git a/mod/search.php b/mod/search.php
index 4c3d4586d1..984167fd78 100644
--- a/mod/search.php
+++ b/mod/search.php
@@ -1,6 +1,7 @@
 <?php
 
 use Friendica\App;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
 
diff --git a/src/App.php b/src/App.php
index ea44738571..4d06ba630d 100644
--- a/src/App.php
+++ b/src/App.php
@@ -3,11 +3,11 @@
 namespace Friendica;
 
 use Friendica\Core\System;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
 
-use Cache;
 use dba;
 
 use Detection\MobileDetect;
diff --git a/src/Core/Cache.php b/src/Core/Cache.php
new file mode 100644
index 0000000000..ab87bc3755
--- /dev/null
+++ b/src/Core/Cache.php
@@ -0,0 +1,243 @@
+<?php
+/**
+ * @file src/Core/Cache.php
+ */
+namespace Friendica\Core;
+
+use Friendica\Core\Config;
+use Friendica\Core\PConfig;
+use Friendica\Database\DBM;
+
+/**
+ * @brief Class for storing data for a short time
+ */
+class Cache
+{
+	/**
+	 * @brief Check for memcache and open a connection if configured
+	 *
+	 * @return object|boolean The memcache object - or "false" if not successful
+	 */
+	public static function memcache()
+	{
+		if (!function_exists('memcache_connect')) {
+			return false;
+		}
+
+		if (!Config::get('system', 'memcache')) {
+			return false;
+		}
+
+		$memcache_host = Config::get('system', 'memcache_host', '127.0.0.1');
+		$memcache_port = Config::get('system', 'memcache_port', 11211);
+
+		$memcache = new Memcache;
+
+		if (!$memcache->connect($memcache_host, $memcache_port)) {
+			return false;
+		}
+
+		return $memcache;
+	}
+
+	/**
+	 * @brief Return the duration for a given cache level
+	 *
+	 * @param integer $level Cache level
+	 *
+	 * @return integer The cache duration in seconds
+	 */
+	private static function duration($level)
+	{
+		switch ($level) {
+			case CACHE_MONTH:
+				$seconds = 2592000;
+				break;
+			case CACHE_WEEK:
+				$seconds = 604800;
+				break;
+			case CACHE_DAY:
+				$seconds = 86400;
+				break;
+			case CACHE_HOUR:
+				$seconds = 3600;
+				break;
+			case CACHE_HALF_HOUR:
+				$seconds = 1800;
+				break;
+			case CACHE_QUARTER_HOUR:
+				$seconds = 900;
+				break;
+			case CACHE_FIVE_MINUTES:
+				$seconds = 300;
+				break;
+			case CACHE_MINUTE:
+				$seconds = 60;
+				break;
+		}
+		return $seconds;
+	}
+
+	/**
+	 * @brief Fetch cached data according to the key
+	 *
+	 * @param string $key The key to the cached data
+	 *
+	 * @return mixed Cached $value or "null" if not found
+	 */
+	public static function get($key)
+	{
+		$memcache = self::memcache();
+		if (is_object($memcache)) {
+			// We fetch with the hostname as key to avoid problems with other applications
+			$cached = $memcache->get(get_app()->get_hostname().":".$key);
+			$value = @unserialize($cached);
+
+			// Only return a value if the serialized value is valid.
+			// We also check if the db entry is a serialized
+			// boolean 'false' value (which we want to return).
+			if ($cached === serialize(false) || $value !== false) {
+				return $value;
+			}
+
+			return null;
+		}
+
+		// Frequently clear cache
+		self::clear($duration);
+
+		$r = q(
+			"SELECT `v` FROM `cache` WHERE `k`='%s' LIMIT 1",
+			dbesc($key)
+		);
+
+		if (DBM::is_result($r)) {
+			$cached = $r[0]['v'];
+			$value = @unserialize($cached);
+
+			// Only return a value if the serialized value is valid.
+			// We also check if the db entry is a serialized
+			// boolean 'false' value (which we want to return).
+			if ($cached === serialize(false) || $value !== false) {
+				return $value;
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * @brief Put data in the cache according to the key
+	 *
+	 * The input $value can have multiple formats.
+	 *
+	 * @param string  $key      The key to the cached data
+	 * @param mixed   $value    The value that is about to be stored
+	 * @param integer $duration The cache lifespan
+	 */
+	public static function set($key, $value, $duration = CACHE_MONTH)
+	{
+		// Do we have an installed memcache? Use it instead.
+		$memcache = self::memcache();
+		if (is_object($memcache)) {
+			// We store with the hostname as key to avoid problems with other applications
+			$memcache->set(get_app()->get_hostname().":".$key, serialize($value), MEMCACHE_COMPRESSED, self::duration($duration));
+			return;
+		}
+
+		/// @todo store the cache data in the same way like the config data
+		q(
+			"REPLACE INTO `cache` (`k`,`v`,`expire_mode`,`updated`) VALUES ('%s','%s',%d,'%s')",
+			dbesc($key),
+			dbesc(serialize($value)),
+			intval($duration),
+			dbesc(datetime_convert())
+		);
+	}
+
+	/**
+	 * @brief Remove outdated data from the cache
+	 *
+	 * @param integer $max_level The maximum cache level that is to be cleared
+	 */
+	public static function clear($max_level = CACHE_MONTH)
+	{
+		// Clear long lasting cache entries only once a day
+		if (Config::get("system", "cache_cleared_day") < time() - self::duration(CACHE_DAY)) {
+			if ($max_level == CACHE_MONTH) {
+				q(
+					"DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
+					dbesc(datetime_convert('UTC', 'UTC', "now - 30 days")),
+					intval(CACHE_MONTH)
+				);
+			}
+
+			if ($max_level <= CACHE_WEEK) {
+				q(
+					"DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
+					dbesc(datetime_convert('UTC', 'UTC', "now - 7 days")),
+					intval(CACHE_WEEK)
+				);
+			}
+
+			if ($max_level <= CACHE_DAY) {
+				q(
+					"DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
+					dbesc(datetime_convert('UTC', 'UTC', "now - 1 days")),
+					intval(CACHE_DAY)
+				);
+			}
+			Config::set("system", "cache_cleared_day", time());
+		}
+
+		if (($max_level <= CACHE_HOUR) && (Config::get("system", "cache_cleared_hour")) < time() - self::duration(CACHE_HOUR)) {
+			q(
+				"DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
+				dbesc(datetime_convert('UTC', 'UTC', "now - 1 hours")),
+				intval(CACHE_HOUR)
+			);
+
+			Config::set("system", "cache_cleared_hour", time());
+		}
+
+		if (($max_level <= CACHE_HALF_HOUR) && (Config::get("system", "cache_cleared_half_hour")) < time() - self::duration(CACHE_HALF_HOUR)) {
+			q(
+				"DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
+				dbesc(datetime_convert('UTC', 'UTC', "now - 30 minutes")),
+				intval(CACHE_HALF_HOUR)
+			);
+
+			Config::set("system", "cache_cleared_half_hour", time());
+		}
+
+		if (($max_level <= CACHE_QUARTER_HOUR) && (Config::get("system", "cache_cleared_quarter_hour")) < time() - self::duration(CACHE_QUARTER_HOUR)) {
+			q(
+				"DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
+				dbesc(datetime_convert('UTC', 'UTC', "now - 15 minutes")),
+				intval(CACHE_QUARTER_HOUR)
+			);
+
+			Config::set("system", "cache_cleared_quarter_hour", time());
+		}
+
+		if (($max_level <= CACHE_FIVE_MINUTES) && (Config::get("system", "cache_cleared_five_minute")) < time() - self::duration(CACHE_FIVE_MINUTES)) {
+			q(
+				"DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
+				dbesc(datetime_convert('UTC', 'UTC', "now - 5 minutes")),
+				intval(CACHE_FIVE_MINUTES)
+			);
+
+			Config::set("system", "cache_cleared_five_minute", time());
+		}
+
+		if (($max_level <= CACHE_MINUTE) && (Config::get("system", "cache_cleared_minute")) < time() - self::duration(CACHE_MINUTE)) {
+			q(
+				"DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
+				dbesc(datetime_convert('UTC', 'UTC', "now - 1 minutes")),
+				intval(CACHE_MINUTE)
+			);
+
+			Config::set("system", "cache_cleared_minute", time());
+		}
+	}
+}
diff --git a/src/Network/Probe.php b/src/Network/Probe.php
index 84a0344f32..9e2593a128 100644
--- a/src/Network/Probe.php
+++ b/src/Network/Probe.php
@@ -10,11 +10,11 @@ namespace Friendica\Network;
 
 use Friendica\App;
 use Friendica\Core\System;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
 
 use dba;
-use Cache;
 use xml;
 
 use DomXPath;
diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index 23d9adca6b..ad24f2457b 100644
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -11,13 +11,13 @@ namespace Friendica\Protocol;
 
 use Friendica\App;
 use Friendica\Core\System;
+use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
 use Friendica\Network\Probe;
 
-use Cache;
 use dba;
 use SimpleXMLElement;
 use xml;
diff --git a/vendor/pear/text_languagedetect/phpcs.xml b/vendor/pear/text_languagedetect/phpcs.xml
index 5dd24befea..586ff6d195 100644
--- a/vendor/pear/text_languagedetect/phpcs.xml
+++ b/vendor/pear/text_languagedetect/phpcs.xml
@@ -7,6 +7,7 @@
   <exclude name="PEAR.NamingConventions.ValidVariableName.PrivateNoUnderscore"/>
   <exclude name="PEAR.NamingConventions.ValidFunctionName.PrivateNoUnderscore"/>
   <exclude name="PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps"/>
+  <exclude name="PEAR.WhiteSpace.ScopeIndent.IncorrectExact"/>
   <exclude name="PSR1.Methods.CamelCapsMethodName.NotCamelCaps"/>
  </rule>
  <description>PSR2 with tabs instead of spaces.</description>
-- 
2.39.5