How can the garbage collector in PHP be configured to effectively clean up sessions?

The garbage collector in PHP can be configured to effectively clean up sessions by adjusting the session.gc_probability and session.gc_divisor settings in the php.ini file. By increasing the probability of garbage collection and reducing the divisor, PHP will more frequently clean up expired sessions, leading to better memory management and improved performance. 

// Adjust session garbage collection settings
ini_set('session.gc_probability', 1);
ini_set('session.gc_divisor', 100);

Keywords

garbage collector PHP session configuration cleanup

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