WordPress at a glance
function is not described

current_action() WP 3.9.0

Retrieve the name of the current action.

No Hooks.

Return

String. Hook name of the current action.

Usage

current_action();

Changelog

Since 3.9.0 Introduced.

Code of current action: wp-includes/plugin.php WP 5.2.2

<?php
function current_action() {
	return current_filter();
}