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

1238	 * This filter is only fired when doing Ajax and the Ajax request has an 'action' property.1239	 *1240	 * @since 5.2.01241	 *1242	 * @param string[] $actions_to_protect Array of strings with Ajax actions to protect.1243	 */1244	$actions_to_protect = (array) apply_filters( 'wp_protected_ajax_actions', $actions_to_protect );1245 1246	if ( ! in_array( $_REQUEST['action'], $actions_to_protect, true ) ) {1247		return false;1248	}1249 1250	return true;