A way to add new OssnUser method allowing to show friendship time

ossn_com.php

<?php
function ossn_friendship_time_init(){
	ossn_add_hook('ossn/class/register/method', 'OssnUser:getFriendshipTime', 'friendship_time_private_function');
}
function friendship_time_private_function($hook, $type, $user, array $params = array()){
				$freindships = new stdClass;
				if(isset($user->guid)) {
						$user = $user->guid;
				}
				$default       = array(
						'page_limit' => false,
						'limit' => false,
						'count' => false
				);
				$args          = array_merge($default, $params[0]);
				$relationships = ossn_get_relationships(array(
						'to' => $user,
						'type' => 'friend:request',
						'inverse' => true,
						'count' => $args['count'],
						'order_by' => $args['order_by']
				));
				if($args['count'] == true) {
						$freindships->return = $relationships;
						return $freindships;
				}
				if($relationships) {
						foreach($relationships as $relation) {
								$item	   = ossn_user_by_guid($relation->relation_to);
								$item->time_of_friendship = date('d/m/Y', $relation->time);
								$friends[] = $item;
						}
						$freindships->return = $friends;
						return $freindships;
				}
				$freindships->return = false;
				return $freindships;
}
ossn_register_callback('ossn', 'init', 'ossn_friendship_time_init');