+}}
+
+// for html,xml parsing - let's say you've got
+// an attribute foobar="class1 class2 class3"
+// and you want to find out if it contains 'class3'.
+// you can't use a normal sub string search because you
+// might match 'notclass3' and a regex to do the job is
+// possible but a bit complicated.
+// pass the attribute string as $attr and the attribute you
+// are looking for as $s - returns true if found, otherwise false
+
+if(! function_exists('attribute_contains')) {
+function attribute_contains($attr,$s) {
+ $a = explode(' ', $attr);
+ if(count($a) && in_array($s,$a))
+ return true;
+ return false;
+}}
+
+if(! function_exists('logger')) {
+function logger($msg,$level = 0) {
+
+ $debugging = get_config('system','debugging');
+ $loglevel = intval(get_config('system','loglevel'));
+ $logfile = get_config('system','logfile');
+
+ if((! $debugging) || (! $logfile) || ($level > $loglevel))
+ return;
+
+ @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
+ return;
+}}
+
+
+if(! function_exists('activity_match')) {
+function activity_match($haystack,$needle) {
+ if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
+ return true;
+ return false;
+}}
+
+
+// Pull out all #hashtags and @person tags from $s;
+// We also get @person@domain.com - which would make
+// the regex quite complicated as tags can also
+// end a sentence. So we'll run through our results
+// and strip the period from any tags which end with one.
+// Returns array of tags found, or empty array.
+
+
+if(! function_exists('get_tags')) {
+function get_tags($s) {
+ $ret = array();
+ if(preg_match_all('/([@#][^ ,:?]*)([ ,:?]|$)/',$s,$match)) {
+ foreach($match[1] as $match) {
+ if(substr($match,-1,1) === '.')
+ $ret[] = substr($match,0,-1);
+ else
+ $ret[] = $match;
+ }
+ }
+
+ return $ret;
+}}
+
+
+// quick and dirty quoted_printable encoding
+
+if(! function_exists('qp')) {
+function qp($s) {
+return str_replace ("%","=",rawurlencode($s));
+}}
+
+
+if(! function_exists('like_puller')) {
+function like_puller($a,$item,&$arr,$mode) {
+
+ $url = '';
+ $sparkle = '';
+ $verb = (($mode === 'like') ? ACTIVITY_LIKE : ACTIVITY_DISLIKE);
+
+ if((activity_match($item['verb'],$verb)) && ($item['id'] != $item['parent'])) {
+ $url = $item['author-link'];
+ if(($item['network'] === 'dfrn') && (! $item['self']) && ($item['author-link'] == $item['url'])) {
+ $url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
+ $sparkle = ' class="sparkle" ';
+ }
+ if(! ((isset($arr[$item['parent'] . '-l'])) && (is_array($arr[$item['parent'] . '-l']))))
+ $arr[$item['parent'] . '-l'] = array();
+ if(! isset($arr[$item['parent']]))
+ $arr[$item['parent']] = 1;
+ else
+ $arr[$item['parent']] ++;
+ $arr[$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 = '';
+ $a = get_app();
+ if((! is_array($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;
+ }
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT 24",
+ intval($a->profile['uid'])
+ );
+ 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>';
+
+ }
+ 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;
+}}
+