问题 I have an issue, my apps sessions are expiring unexpectedly after about 15 minutes. I need them to expire after 4 hours. The server is Centos 5.5, PHP is 5.3.2. Below is my code (included in an global header). <?php session_name('MobileSuiteHQ'); if(!session_id()) { session_start(); } ini_set('memory_limit', '512M'); ini_set('session.gc_maxlifetime', 14400000); ini_set('session.cookie_lifetime', 14400000); ini_set('session.gc_divisor', 1000); ini_set('session.use_cookies', 0); ini_set('max