<?php
+require_once("include/PConfig.php");
+
/**
- *
- * Arbitrary configuration storage
+ * @file include/config.php
+ *
+ * @brief Arbitrary configuration storage
* Note:
* Please do not store booleans - convert to 0/1 integer values
* The get_?config() functions return boolean false for keys that are unset,
* configurations need to be fixed as of 10/08/2011.
*/
-
-// retrieve a "family" of config variables from database to cached storage
-
-if(! function_exists('load_config')) {
+/**
+ * @brief Loads all configuration values of family into a cached storage.
+ *
+ * All configuration values of the system are stored in global cache
+ * which is available under the global variable $a->config
+ *
+ * @param string $family
+ * The category of the configuration value
+ * @return void
+ */
function load_config($family) {
global $a;
- $r = q("SELECT * FROM `config` WHERE `cat` = '%s'", dbesc($family));
+
+ $r = q("SELECT `v`, `k` FROM `config` WHERE `cat` = '%s'", dbesc($family));
if(count($r)) {
foreach($r as $rr) {
$k = $rr['k'];
- if ($rr['cat'] === 'config') {
+ if ($family === 'config') {
$a->config[$k] = $rr['v'];
} else {
$a->config[$family][$k] = $rr['v'];
}
}
- } else if (isset($rr) && ($rr['cat'] != 'config')) {
+ } else if ($family != 'config') {
// Negative caching
$a->config[$family] = "!<unset>!";
}
-}}
-
-// get a particular config variable given the family name
-// and key. Returns false if not set.
-// $instore is only used by the set_config function
-// to determine if the key already exists in the DB
-// If a key is found in the DB but doesn't exist in
-// local config cache, pull it into the cache so we don't have
-// to hit the DB again for this item.
+}
-if(! function_exists('get_config')) {
+/**
+ * @brief Get a particular user's config variable given the category name
+ * ($family) and a key.
+ *
+ * Get a particular config value from the given category ($family)
+ * and the $key from a cached storage in $a->config[$uid].
+ * $instore is only used by the set_config function
+ * to determine if the key already exists in the DB
+ * If a key is found in the DB but doesn't exist in
+ * local config cache, pull it into the cache so we don't have
+ * to hit the DB again for this item.
+ *
+ * @param string $family
+ * The category of the configuration value
+ * @param string $key
+ * The configuration key to query
+ * @param boolean $instore Determines if the key already exists in the DB
+ * @return mixed Stored value or false if it does not exist
+ */
function get_config($family, $key, $instore = false) {
global $a;
return $a->config[$family][$key];
}
}
+
+ // If APC is enabled then fetch the data from there, else try XCache
+ /*if (function_exists("apc_fetch") AND function_exists("apc_exists"))
+ if (apc_exists($family."|".$key)) {
+ $val = apc_fetch($family."|".$key);
+ $a->config[$family][$key] = $val;
+
+ if ($val === '!<unset>!')
+ return false;
+ else
+ return $val;
+ }
+ elseif (function_exists("xcache_fetch") AND function_exists("xcache_isset"))
+ if (xcache_isset($family."|".$key)) {
+ $val = xcache_fetch($family."|".$key);
+ $a->config[$family][$key] = $val;
+
+ if ($val === '!<unset>!')
+ return false;
+ else
+ return $val;
+ }
+ */
+
$ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
dbesc($family),
dbesc($key)
);
if(count($ret)) {
// manage array value
- $val = (preg_match("|^a:[0-9]+:{.*}$|", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
+ $val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
$a->config[$family][$key] = $val;
+
+ // If APC is enabled then store the data there, else try XCache
+ /*if (function_exists("apc_store"))
+ apc_store($family."|".$key, $val, 600);
+ elseif (function_exists("xcache_set"))
+ xcache_set($family."|".$key, $val, 600);*/
+
return $val;
}
else {
$a->config[$family][$key] = '!<unset>!';
+
+ // If APC is enabled then store the data there, else try XCache
+ /*if (function_exists("apc_store"))
+ apc_store($family."|".$key, '!<unset>!', 600);
+ elseif (function_exists("xcache_set"))
+ xcache_set($family."|".$key, '!<unset>!', 600);*/
}
return false;
-}}
-
-// Store a config value ($value) in the category ($family)
-// under the key ($key)
-// Return the value, or false if the database update failed
+}
-if(! function_exists('set_config')) {
+/**
+ * @brief Sets a configuration value for system config
+ *
+ * Stores a config value ($value) in the category ($family) under the key ($key)
+ * for the user_id $uid.
+ *
+ * Note: Please do not store booleans - convert to 0/1 integer values!
+ *
+ * @param string $family
+ * The category of the configuration value
+ * @param string $key
+ * The configuration key to set
+ * @param string $value
+ * The value to store
+ * @return mixed Stored $value or false if the database update failed
+ */
function set_config($family,$key,$value) {
global $a;
+
+ // If $a->config[$family] has been previously set to '!<unset>!', then
+ // $a->config[$family][$key] will evaluate to $a->config[$family][0], and
+ // $a->config[$family][$key] = $value will be equivalent to
+ // $a->config[$family][0] = $value[0] (this causes infuriating bugs),
+ // so unset the family before assigning a value to a family's key
+ if($a->config[$family] === '!<unset>!')
+ unset($a->config[$family]);
+
// manage array value
$dbvalue = (is_array($value)?serialize($value):$value);
$dbvalue = (is_bool($dbvalue) ? intval($dbvalue) : $dbvalue);
return $ret;
}
- $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
+ $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s'",
dbesc($dbvalue),
dbesc($family),
dbesc($key)
$a->config[$family][$key] = $value;
+ // If APC is enabled then store the data there, else try XCache
+ /*if (function_exists("apc_store"))
+ apc_store($family."|".$key, $value, 600);
+ elseif (function_exists("xcache_set"))
+ xcache_set($family."|".$key, $value, 600);*/
+
if($ret)
return $value;
return $ret;
-}}
-
-
-if(! function_exists('load_pconfig')) {
-function load_pconfig($uid,$family) {
- global $a;
- $r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
- dbesc($family),
- intval($uid)
- );
- if(count($r)) {
- foreach($r as $rr) {
- $k = $rr['k'];
- $a->config[$uid][$family][$k] = $rr['v'];
- }
- } else if ($rr['cat'] != 'config') {
- // Negative caching
- $a->config[$uid][$family] = "!<unset>!";
- }
-}}
-
-
-
-if(! function_exists('get_pconfig')) {
-function get_pconfig($uid,$family, $key, $instore = false) {
-
- global $a;
-
- if(! $instore) {
- // Looking if the whole family isn't set
- if(isset($a->config[$uid][$family])) {
- if($a->config[$uid][$family] === '!<unset>!') {
- return false;
- }
- }
-
- if(isset($a->config[$uid][$family][$key])) {
- if($a->config[$uid][$family][$key] === '!<unset>!') {
- return false;
- }
- return $a->config[$uid][$family][$key];
- }
- }
+}
- $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
- intval($uid),
- dbesc($family),
- dbesc($key)
- );
-
- if(count($ret)) {
- $val = (preg_match("|^a:[0-9]+:{.*}$|", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
- $a->config[$uid][$family][$key] = $val;
- return $val;
- }
- else {
- $a->config[$uid][$family][$key] = '!<unset>!';
- }
- return false;
-}}
-
-if(! function_exists('del_config')) {
+/**
+ * @brief Deletes the given key from the system configuration.
+ *
+ * Removes the configured value from the stored cache in $a->config
+ * and removes it from the database.
+ *
+ * @param string $family
+ * The category of the configuration value
+ * @param string $key
+ * The configuration key to delete
+ * @return mixed
+ */
function del_config($family,$key) {
global $a;
if(x($a->config[$family],$key))
unset($a->config[$family][$key]);
- $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
+ $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s'",
dbesc($family),
dbesc($key)
);
- return $ret;
-}}
+ // If APC is enabled then delete the data from there, else try XCache
+ /*if (function_exists("apc_delete"))
+ apc_delete($family."|".$key);
+ elseif (function_exists("xcache_unset"))
+ xcache_unset($family."|".$key);*/
+ return $ret;
+}
+/**
+ * @brief (Deprecated) Loads all configuration values of a user's config family into a cached storage.
+ *
+ * Note: This function is deprecated. Use PConfig::load() instead.
+ *
+ * @param string $uid
+ * The user_id
+ * @param string $family
+ * The category of the configuration value
+ * @return void
+ */
+function load_pconfig($uid,$family) {
+ return PConfig::load($uid, $family);
+}
-// Same as above functions except these are for personal config storage and take an
-// additional $uid argument.
+/**
+ * @brief (Deprecated) Get a particular user's config variable given the category name
+ * ($family) and a key.
+ *
+ * Note: This function is deprecated. Use PConfig::get() instead.
+ *
+ * @param string $uid
+ * The user_id
+ * @param string $family
+ * The category of the configuration value
+ * @param string $key
+ * The configuration key to query
+ * @param boolean $instore
+ * Determines if the key already exists in the DB
+ * @return mixed Stored value or false if it does not exist
+ */
+function get_pconfig($uid,$family, $key, $instore = false) {
+ return PConfig::get($uid, $family, $key, $instore);
+}
-if(! function_exists('set_pconfig')) {
+/**
+ * @brief (Deprecated) Sets a configuration value for a user
+ *
+ * Note: This function is deprecated. Use PConfig::set() instead.
+ *
+ * @param string $uid
+ * The user_id
+ * @param string $family
+ * The category of the configuration value
+ * @param string $key
+ * The configuration key to set
+ * @param string $value
+ * The value to store
+ * @return mixed Stored $value or false
+ */
function set_pconfig($uid,$family,$key,$value) {
+ return PConfig::set($uid, $family, $key, $value);
+}
- global $a;
-
- // manage array value
- $dbvalue = (is_array($value)?serialize($value):$value);
-
- if(get_pconfig($uid,$family,$key,true) === false) {
- $a->config[$uid][$family][$key] = $value;
- $ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
- intval($uid),
- dbesc($family),
- dbesc($key),
- dbesc($dbvalue)
- );
- if($ret)
- return $value;
- return $ret;
- }
- $ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
- dbesc($dbvalue),
- intval($uid),
- dbesc($family),
- dbesc($key)
- );
-
- $a->config[$uid][$family][$key] = $value;
-
- if($ret)
- return $value;
- return $ret;
-}}
-
-if(! function_exists('del_pconfig')) {
+/**
+ * @brief (Deprecated) Deletes the given key from the users's configuration.
+ *
+ * Note: This function is deprecated. Use PConfig::delete() instead.
+ *
+ * @param string $uid The user_id
+ * @param string $family
+ * The category of the configuration value
+ * @param string $key
+ * The configuration key to delete
+ * @return mixed
+ */
function del_pconfig($uid,$family,$key) {
-
- global $a;
- if(x($a->config[$uid][$family],$key))
- unset($a->config[$uid][$family][$key]);
- $ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
- intval($uid),
- dbesc($family),
- dbesc($key)
- );
- return $ret;
-}}
+ return PConfig::delete($uid, $family, $key);
+}
projects / friendica.git / blobdiff