title: how to set ini set session maxlife to 10 minutes
body: <p>To make a session life go up to 10 minutes, is the below code correct because  cannot tell:</p>
  
  <pre><code>ini_set('session.gc_maxlifetime',600);
  </code></pre>
  
  <p>OR </p>
  
  <pre><code>ini_set('session.gc_maxlifetime',1*10*60);  
  </code></pre>