_nav_menu_item_id_use_once( string $id, object $item ): string

In this article

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Prevents a menu item ID from being used more than once.

Parameters

$idstringrequired
$itemobjectrequired

Return

string

Source

function _nav_menu_item_id_use_once( $id, $item ) {
	static $_used_ids = array();

	if ( in_array( $item->ID, $_used_ids, true ) ) {
		return '';
	}

	$_used_ids[] = $item->ID;

	return $id;
}

Changelog

VersionDescription
3.0.1Introduced.

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