'frm_after_create_entry', 'classname' => __CLASS__, 'inject_function' => 'injectLeadEvent', 'priority' => 30)); } public static function injectLeadEvent($entry_id, $form_id) { if (FacebookPluginUtils::isAdmin()) { return; } $param = array(); $code = FacebookPixel::getPixelLeadCode($param, self::TRACKING_NAME, false); printf(" ", $code); } }