<?php
$json = '{"response":{"count":1,"items":[{"id":165983743,"owner_id":170785079,"title":"Ke$ha - Blow","duration":253,"description":"","date":1379017507,"views":1,"comments":0,"photo_130":"http:\/\/cs518121.vk.me\/u170785079\/video\/s_5e5f6f2c.jpg","photo_320":"http:\/\/cs518121.vk.me\/u170785079\/video\/l_dd4ec237.jpg","files":{"mp4_240":"http:\/\/cs518121v4.vk.me\/u170785079\/videos\/500770e51c.240.mp4","mp4_360":"http:\/\/cs518121v4.vk.me\/u170785079\/videos\/500770e51c.360.mp4","mp4_480":"http:\/\/cs1-46v4.vk.me\/p13\/483502b20c4f.480.mp4","mp4_720":"http:\/\/cs518121v4.vk.me\/u170785079\/videos\/500770e51c.720.mp4"},"player":"http:\/\/vk.com\/video_ext.php?oid=170785079&id=165983743&hash=1e417a266e9a3f00"}]}}';
print $obj->response->items[0]->files->mp4_240;
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