WordPress at a glance
function is not described

WP_Hook::do_all_hook() public WP 4.7.0

Processes the functions hooked into the 'all' hook.

{} It's a method of the class: WP_Hook{}

No Hooks.

Return

Null. Nothing.

Usage

$WP_Hook = new WP_Hook();
$WP_Hook->do_all_hook( $args );
$args(array) (required) (passed by reference — &)
Arguments to pass to the hook callbacks. Passed by reference.

Changelog

Since 4.7.0 Introduced.

Code of WP_Hook::do_all_hook() WP 5.5.2

<?php
public function do_all_hook( &$args ) {
	$nesting_level                      = $this->nesting_level++;
	$this->iterations[ $nesting_level ] = array_keys( $this->callbacks );

	do {
		$priority = current( $this->iterations[ $nesting_level ] );
		foreach ( $this->callbacks[ $priority ] as $the_ ) {
			call_user_func_array( $the_['function'], $args );
		}
	} while ( false !== next( $this->iterations[ $nesting_level ] ) );

	unset( $this->iterations[ $nesting_level ] );
	$this->nesting_level--;
}