_sort_nav_menu_items() │ WP 3.0.0

Deprecated since 4.7.0. It is no longer supported and may be removed in future releases. Use wp_list_sort() instead.

Sort menu items by the desired key.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

No Hooks.

Returns

Int. -1, 0, or 1 if $a is considered to be respectively less than, equal to, or greater than $b.

Usage

_sort_nav_menu_items( $a, $b );
$a(object) (required)
The first object to compare.
$b(object) (required)
The second object to compare.

Notes

  • Global. String. $_menu_item_sort_prop

Changelog

Since 3.0.0 Introduced.
Deprecated since 4.7.0 Use wp_list_sort()

_sort_nav_menu_items() code WP 6.8.3

wp-includes/deprecated.php 
function _sort_nav_menu_items( $a, $b ) {
	global $_menu_item_sort_prop;

	_deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );

	if ( empty( $_menu_item_sort_prop ) )
		return 0;

	if ( ! isset( $a->$_menu_item_sort_prop ) || ! isset( $b->$_menu_item_sort_prop ) )
		return 0;

	$_a = (int) $a->$_menu_item_sort_prop;
	$_b = (int) $b->$_menu_item_sort_prop;

	if ( $a->$_menu_item_sort_prop == $b->$_menu_item_sort_prop )
		return 0;
	elseif ( $_a == $a->$_menu_item_sort_prop && $_b == $b->$_menu_item_sort_prop )
		return $_a < $_b ? -1 : 1;
	else
		return strcmp( $a->$_menu_item_sort_prop, $b->$_menu_item_sort_prop );
}