title: Delete dir files on every sunday 12noon
body: <p>Holla,</p>
  <p>Guys i am currently deleting sesstions if created time is more than 9 hours but i wish for it to clean the _sessions dir on every sunday at 12noon.</p>
  <p>can someone here help me out with the logic ?</p>
  <p>my code</p>
  <pre><code>$ses_dir = '_sessions/';
  if ($handle = opendir($ses_dir)) {
      date_default_timezone_set('America/New_York');  
      while (false !== ($file = readdir($handle))) { 
          $filelastmodified = filemtime($ses_dir . $file);
          if((time() - $filelastmodified) &gt; 9*60*60) {
              unlink($ses_dir . $file);
          }
      }
      closedir($handle); 
  }
  </code></pre>
  <p>really thankful for your help in advance</p>