title: file_get_contents(): stream does not support seeking ／ When was PHP behavior about this changed?
body: <p><strong>When was PHP behavior about this changed?</strong></p>
  <p>From which PHP version is it?</p>
  <hr />
  <blockquote>
  <p>Warning: file_get_contents(): stream does not support seeking in
  /simple_html_dom.php</p>
  <p>Warning: file_get_contents(): Failed to seek to position -1 in the stream in
  /simple_html_dom.php</p>
  </blockquote>
  <hr />
  <pre><code>include('parser/simple_html_dom.php');
  $url = &quot;https://en.wikipedia.org/wiki/Stack_Overflow&quot;;
  $html = file_get_html($url);
  if ($html !== false) {
    foreach($html-&gt;find('div#mw-content-text') as $item){
      $item-&gt;plaintext;
    }
  }
  </code></pre>