title: How can change ip address of server when use file_get_contents
body: <p>For example, my ip server is 200.231.123.11<br>
  when I use file_get_contents() this ip get page.<br>
  but I want change this to Dynamic ip. (ip changed automatically)
  I use this code in my php:<br>
  <strong>UPDATED</strong>  </p>
  
  <pre><code>&lt;?php
  //Define your context options
  $opts = array(
             'http' =&gt; array(
                          'proxy' =&gt; 'tcp://221.10.40.238:80',
                          'request_fulluri' =&gt; true,
                       ),
  );
  
  // create the context...
  $context = stream_context_create($opts);
  
  // ...and use it to fetch the data
  echo file_get_contents('http://www.example.com', false, $context);
  
  ?&gt;
  </code></pre>
  
  <p>but not working and still get page with real ip (200.231.123.11).</p>