Source

371 
372 			// Allow storing the session in a non standard location
373 			if($session_path) session_save_path($session_path);
374 
375 			// If we want a secure cookie for HTTPS, use a seperate session name. This lets us have a
376 			// seperate (less secure) session for non-HTTPS requests
377 			if($secure) session_name('SECSESSID');
378 
379 			if($sid) session_id($sid);
380 			session_start();
381 
382 			$this->data = isset($_SESSION) ? $_SESSION : array();
383 		}
384 
385 		// Modify the timeout behaviour so it's the *inactive* time before the session expires.
386 		// By default it's the total session lifetime

Trace

• session_start()
  Session.php:380
• Session->inst_start()
  Director.php:143
• Director::direct(/contact,DataModel)
  main.php:177