005+
006+ Warning: session_start(): Cannot find serialization handler 'igbinary' - session startup failed in %s/session_set_cookie_params_variation2.php on line 16
007+ bool(false)
005- bool(true)
009- bool(true)
011+
012+ Warning: session_destroy(): Trying to destroy uninitialized session in %s/session_set_cookie_params_variation2.php on line 20
013+ bool(false)