if (($hook != '') && is_array($a->hooks) && array_key_exists("cron", $a->hooks)) {
foreach ($a->hooks["cron"] as $single_hook) {
if ($single_hook[1] == $hook) {
if (($hook != '') && is_array($a->hooks) && array_key_exists("cron", $a->hooks)) {
foreach ($a->hooks["cron"] as $single_hook) {
if ($single_hook[1] == $hook) {