+ $arr[$item['parent'] . '-l'][] = '<a href="'. $url . '"'. $sparkle .'>' . $item['author-name'] . '</a>';
+ }
+ return;
+}}
+
+if(! function_exists('get_mentions')) {
+function get_mentions($item) {
+ $o = '';
+ if(! strlen($item['tag']))
+ return $o;
+
+ $arr = explode(',',$item['tag']);
+ foreach($arr as $x) {
+ $matches = null;
+ if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches))
+ $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
+ }
+ return $o;
+}}
+
+if(! function_exists('contact_block')) {
+function contact_block() {
+ $o = '';
+ $a = get_app();
+
+ $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
+ if(! $shown)
+ $shown = 24;
+
+ if((! is_array($a->profile)) || ($a->profile['hide-friends']))
+ return $o;
+ $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
+ intval($a->profile['uid'])
+ );
+ if(count($r)) {
+ $total = intval($r[0]['total']);
+ }
+ if(! $total) {
+ $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
+ return $o;
+ }
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
+ intval($a->profile['uid']),
+ intval($shown)
+ );
+ if(count($r)) {
+ $o .= '<h4 class="contact-h4">' . $total . ' ' . t('Contacts') . '</h4><div id="contact-block">';
+ foreach($r as $rr) {
+ $redirect_url = $a->get_baseurl() . '/redir/' . $rr['id'];
+ if(local_user() && ($rr['uid'] == local_user())
+ && ($rr['network'] === 'dfrn')) {
+ $url = $redirect_url;
+ $sparkle = ' sparkle';
+ }
+ else {
+ $url = $rr['url'];
+ $sparkle = '';
+ }
+
+ $o .= '<div class="contact-block-div"><a class="contact-block-link' . $sparkle . '" href="' . $url . '" ><img class="contact-block-img' . $sparkle . '" src="' . $rr['micro'] . '" title="' . $rr['name'] . ' [' . $rr['url'] . ']" alt="' . $rr['name'] . '" /></a></div>' . "\r\n";
+ }
+ $o .= '</div><div id="contact-block-end"></div>';
+ $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
+
+ }
+
+ $arr = array('contacts' => $r, 'output' => $o);
+
+ call_hooks('contact_block_end', $arr);
+ return $o;
+
+}}
+
+if(! function_exists('search')) {
+function search($s) {
+ $a = get_app();
+ $o = '<div id="search-box">';
+ $o .= '<form action="' . $a->get_baseurl() . '/search' . '" method="get" >';
+ $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
+ $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
+ $o .= '</form></div>';
+ return $o;
+}}
+
+if(! function_exists('valid_email')) {
+function valid_email($x){
+ if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
+ return true;
+ return false;
+}}
+
+
+if(! function_exists('gravatar_img')) {
+function gravatar_img($email) {
+ $size = 175;
+ $opt = 'identicon'; // psuedo-random geometric pattern if not found
+ $rating = 'pg';
+ $hash = md5(trim(strtolower($email)));
+
+ $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
+ . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
+
+ logger('gravatar: ' . $email . ' ' . $url);
+ return $url;
+}}
+
+if(! function_exists('aes_decrypt')) {
+function aes_decrypt($val,$ky)
+{
+ $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+ for($a=0;$a<strlen($ky);$a++)
+ $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
+ $mode = MCRYPT_MODE_ECB;
+ $enc = MCRYPT_RIJNDAEL_128;
+ $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
+ return rtrim($dec,(( ord(substr($dec,strlen($dec)-1,1))>=0 and ord(substr($dec, strlen($dec)-1,1))<=16)? chr(ord( substr($dec,strlen($dec)-1,1))):null));
+}}
+
+
+if(! function_exists('aes_encrypt')) {
+function aes_encrypt($val,$ky)
+{
+ $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+ for($a=0;$a<strlen($ky);$a++)
+ $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
+ $mode=MCRYPT_MODE_ECB;
+ $enc=MCRYPT_RIJNDAEL_128;
+ $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
+ return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
+}}
+
+
+/**
+ *
+ * Function: linkify
+ *
+ * Replace naked text hyperlink with HTML formatted hyperlink
+ *
+ */
+
+if(! function_exists('linkify')) {
+function linkify($s) {
+ $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%]*)/", ' <a href="$1" >$1</a>', $s);
+ return($s);
+}}
+
+
+/**
+ *
+ * Function: smilies
+ *
+ * Description:
+ * Replaces text emoticons with graphical images
+ *
+ * @Parameter: string $s
+ *
+ * Returns string
+ */
+
+if(! function_exists('smilies')) {
+function smilies($s) {
+ $a = get_app();
+
+ return str_replace(
+ array( ':-)', ';-)', ':-(', ':(', ':-P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
+ array(
+ '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
+ ), $s);
+}}
+
+
+/**
+ *
+ * Function : profile_load
+ * @parameter App $a
+ * @parameter string $nickname
+ * @parameter int $profile
+ *
+ * Summary: Loads a profile into the page sidebar.
+ * The function requires a writeable copy of the main App structure, and the nickname
+ * of a registered local account.
+ *
+ * If the viewer is an authenticated remote viewer, the profile displayed is the
+ * one that has been configured for his/her viewing in the Contact manager.
+ * Passing a non-zero profile ID can also allow a preview of a selected profile
+ * by the owner.
+ *
+ * Profile information is placed in the App structure for later retrieval.
+ * Honours the owner's chosen theme for display.
+ *
+ */
+
+if(! function_exists('profile_load')) {
+function profile_load(&$a, $nickname, $profile = 0) {
+ if(remote_user()) {
+ $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
+ intval($_SESSION['visitor_id']));
+ if(count($r))
+ $profile = $r[0]['profile-id'];
+ }
+
+ $r = null;
+
+ if($profile) {
+ $profile_int = intval($profile);
+ $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
+ LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
+ WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
+ dbesc($nickname),
+ intval($profile_int)
+ );
+ }
+ if(! count($r)) {
+ $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
+ LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
+ WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
+ dbesc($nickname)
+ );