Is it necessary to manually delete sessions when the cookie lifetime expires in PHP?

When using PHP sessions, it is not necessary to manually delete sessions when the cookie lifetime expires. PHP automatically handles session expiration based on the cookie lifetime set in the php.ini file. Once the cookie expires, the session data will no longer be accessible. 

// No manual deletion of sessions needed when cookie lifetime expires
// PHP automatically handles session expiration

// Start the session
session_start();

// Session data can be accessed until the cookie expires

Keywords

sessions cookie lifetime expiration PHP manual deletion

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