How to parse preg_match correctly?

Question

PHP

On the VK website, you need to parse hash, (Photo: cs629431.vk.me/v629431117/2677f/ODUBsXtSCNU.jpg ), marked in red that you need to parse it, how exactly to parse it, tried like this:

<?php
  // Тут код авторизации для получение куков и т.д

  $photoGet = curl("http://vk.com/photo".$photo);
  preg_match("/\"desc\":\"\",\"hash\":\"(.*?)\",/", $photoGet, $hash);
  Echo $hash[1];
?>

But this is how it parses the first hash, but I need what is in the red frame, please help :)

Answer 1

But this is how it parses the first hash, and I need what is in the red frame

well, then preg_match_all and count the results in a loop, but this is some kind of crutch.
why parse the frontend contact when everything can be pulled through api?