title: file_get_html displays Fatal Error Call to undefined function
body: <p>I used the following code to parse the HTML of another site but it display the fatal error:</p>
  
  <pre><code>$html=file_get_html('http://www.google.co.in');
  </code></pre>
  
  <blockquote>
    <p>Fatal error: Call to undefined function file_get_html()</p>
  </blockquote>