array(array('date')) ); public static function history($animelist) { $al = $animelist->data(); return profile::historySort($al, 'my_finish_date'); } public static function historySort($a,$subkey) { foreach($a as $k=>$v) { $b[$k] = strtolower($v[$subkey]); } arsort($b); foreach($b as $key=>$val) { $c[] = $a[$key]; } return $c; } } ?>