Facebook print likes list

likelist.php

<?php
header('Content-type: text/plain; charset=utf-8');

//declare the number of the post/photo in the $post_nmuber variable
$post_number = '';
$list = file_get_contents('http://graph.facebook.com/v1.0/' . $post_number . '/likes?pretty=1&limit=600&after=MTAwMDAyNTI4ODAyMDYx');

$array = json_decode($list);

foreach($array->data as $user){
	echo $user->name . "\n";
}