(PHP 5 >= 5.4.0, PHP 7, PHP 8)
SessionHandlerInterface::gc — Cleanup old sessions
Cleans up expired sessions. Called by session_start(), based on session.gc_divisor, session.gc_probability and session.gc_maxlifetime settings.
max_lifetime
      Sessions that have not updated for the last max_lifetime seconds will be removed.
     
   Returns the number of deleted sessions on success,  o false in caso di fallimento.
   Note this value is returned internally to PHP for processing.
  
| Versione | Descrizione | 
|---|---|
| 7.1.0 | Prior to this version, the function returned trueon success. | 
