function faviconGet($favicon_md5, $lid, $refresh = false)
{
$maxAge = $this->um->getParam('config', 'max_icon_age');
$select = $this->db->select('cvalue, to_days(now()) - to_days(created) as age', 'sitebar_cache', array('^1' => "type='favicon' AND", 'ckey' => $favicon_md5));
$found = $this->db->fetchRecord($select, true);
$oldIcon = null;
if (is_array($found)) {
$oldIcon = $found['cvalue'];
if (!$refresh && ($found['age'] <= $maxAge || !$lid)) {
return $oldIcon;
}
}
// if lid is not specified, the favicon wont be fetched into the cache
if ($lid) {
$favurl = '';
// If we are numeric
if ($lid == "" . intval($lid)) {
// Get the url corresponding to the link id
$rset = $this->db->select(null, 'sitebar_link', array('lid' => $lid));
// Fetch the link properties
$rlink = $this->db->fetchRecord($rset);
// No such link? Return empty?
if (!$rlink || !$rlink['favicon']) {
return null;
}
$favurl = $rlink['favicon'];
} else {
$favurl = $lid;
}
$newIcon = '';
// Retrieve and test icon as binary string
$page = new SB_PageParser($favurl);
$errorCode = $page->retrieveFAVICON($newIcon);
// We have unrecoverable error
if ($errorCode >= 500) {
return null;
}
// We have probably connection problem
if ($errorCode >= 400) {
if ($oldIcon) {
$this->db->update('sitebar_cache', array('created' => array('now' => '')), array('^1' => "type='favicon' AND", 'ckey' => $favicon_md5));
}
return $oldIcon;
}
if ($oldIcon) {
$this->db->update('sitebar_cache', array('cvalue' => $newIcon), array('^1' => "type='favicon' AND", 'ckey' => $favicon_md5));
} else {
if ($this->hasSpace()) {
$this->saveFavicon($favurl, $newIcon);
}
}
return $newIcon;
}
}
