WordPress at a glance
function is not described

_wp_object_name_sort_cb() WP 3.1.0

Serves as a callback for comparing objects based on name.

Used with uasort().

No Hooks.

Return

Int. Negative number if $a->name is less than $b->name, zero if they are equal, or greater than zero if $a->name is greater than $b->name.

Usage

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

Code of wp object name sort cb: wp-includes/category-template.php VER 5.0.3

<?php
function _wp_object_name_sort_cb( $a, $b ) {
	return strnatcasecmp( $a->name, $b->name );
}