Is the session.gc_maxlifetime value in PHP specified in seconds or minutes?

The session.gc_maxlifetime value in PHP is specified in seconds, not minutes. To set the session expiration time in minutes, you need to convert the minutes to seconds before setting the value.

// Set session expiration time to 30 minutes
$minutes = 30;
$seconds = $minutes * 60;
ini_set('session.gc_maxlifetime', $seconds);