006- bool(true)
007+ Warning: session_start(): Cannot find serialization handler 'igbinary' - session startup failed in %s/session_id_error2.php on line 17
008+ bool(false)
009+ string(10) "1234567890"
010+
011+ Warning: session_destroy(): Trying to destroy uninitialized session in %s/session_id_error2.php on line 19
008- Warning: session_id(): Cannot change session id when session is active in %s on line %d
010- bool(true)
011- string(0) ""
013+ string(10) "1234567890"