WordPress at a glance
function is not described

WP_Media_List_Table::current_action() WP 1.0

This is a method of the class: WP_Media_List_Table

No Hooks.

Return

String.

Usage

$WP_Media_List_Table = new WP_Media_List_Table();
$var = $WP_Media_List_Table->current_action();

Code of WP Media List Table::current action: wp-admin/includes/class-wp-media-list-table.php WP 5.2.2

<?php
public function current_action() {
	if ( isset( $_REQUEST['found_post_id'] ) && isset( $_REQUEST['media'] ) ) {
		return 'attach';
	}

	if ( isset( $_REQUEST['parent_post_id'] ) && isset( $_REQUEST['media'] ) ) {
		return 'detach';
	}

	if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) ) {
		return 'delete_all';
	}

	return parent::current_action();
}