apply_filters( 'wp_protected_ajax_actions', string[] $actions_to_protect )

1213	 * This filter is only fired when doing Ajax and the Ajax request has an 'action' property.1214	 *1215	 * @since 5.2.01216	 *1217	 * @param string[] $actions_to_protect Array of strings with Ajax actions to protect.1218	 */1219	$actions_to_protect = (array) apply_filters( 'wp_protected_ajax_actions', $actions_to_protect );1220 1221	if ( ! in_array( $_REQUEST['action'], $actions_to_protect, true ) ) {1222		return false;1223	}1224 1225	return true;