Populera $child_array rekursivt så att sidornas hierarkier bibehålls

populate_children_hierarchically.php

<?php
function populate_children_hierarchically( $child ) {
  
	$child_array = array( 'title' => $child->title, 'url' => $child->url );
		
	if( !empty( $child->children ) ) {
		foreach( $child->children as $granchild ) {
			$child_array[] = populate_children_hierarchically( $granchild );
		}	
	}
	
	return $child_array;		
}