title: Extract link from json
body: <p>4 days ago Iam asking for how to <a href="https://stackoverflow.com/questions/34344569/extract-the-data-from-content-of-html">Extract the data from content of HTML</a></p>
  
  <p>It is work and everything good but the problem is print all data, look like json:</p>
  
  <pre><code>{"post_id":"453298879","author_id":"1348","media_type":1,"images_src":"http:\/\/i.imgur.com\/JpfhVqK.png","content":"Hello World!"}
  </code></pre>
  
  <p>Just want content of images_src . <code>http://i.imgur.com/JpfhVqK.png</code></p>
  
  <p>I'm trying to use <strong>json_decode</strong> but doesn't work.</p>
  
  <p>Ps: there are no file of json, just variable content this json.</p>
  
  <p>Any idea?</p>