title: how to destroy session when window close?
body: <p>I want to destroy session when i close window so i am using a code </p>
  
  <p>java script code:</p>
  
  <pre><code>&lt;script&gt;
  function killSession() {
      location = 'index.php?destroySession=true';
  }
   &lt;/script&gt;
  </code></pre>
  
  <p>php code:</p>
  
  <pre><code>&lt;?php 
       if (isset($_GET['destroySession']) &amp;&amp; $_GET['destroySession'] == "true") {
      session_destroy();
      $closeWin = "window.close()";
  } else {
      $closeWin = "";
  }
  ?&gt;
  </code></pre>
  
  <p>body:</p>
  
  <pre><code>&lt;body onload="&lt;?php echo $closeWin; ?&gt;"  onunload="killSession();"&gt;
  </code></pre>
  
  <p>But its not giving me seficient response.I want to destroy session when window close.How its possible ?</p>