title: GET URL parameter in PHP
body: <p>I'm trying to pass a URL as a url parameter in php but when I try to get this parameter I get nothing </p>
  
  <p>I'm using the following url form:</p>
  
  <pre><code>http://localhost/dispatch.php?link=www.google.com
  </code></pre>
  
  <p>I'm trying to get it through:</p>
  
  <pre><code>$_GET['link'];
  </code></pre>
  
  <p>But nothing returned. What is the problem?</p>