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<?php class hi { function __wakeup() { echo 'haha'; } function __destruct() { echo 'hi'; } } $str = '!'; session_start(); $_SESSION[$str] = '|O:2:"hi":0:{}'; var_dump($_SESSION);
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(1) { ["!"]=> string(14) "|O:2:"hi":0:{}" }
Output for 7.3.32
Warning: session_start(): open(/tmp/sess_7233cfc50d272b0352e2ec5821980882, O_RDWR) failed: No space left on device (28) in /in/L7cIL on line 12 Warning: session_start(): Failed to read session data: files (path: ) in /in/L7cIL on line 12 array(1) { ["!"]=> string(14) "|O:2:"hi":0:{}" }
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
Warning: session_start(): Cannot send session cookie - headers already sent in /in/L7cIL on line 12 Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /in/L7cIL:12) in /in/L7cIL on line 12 array(1) { ["!"]=> string(14) "|O:2:"hi":0:{}" }
Output for 4.3.0 - 4.3.1
Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cookie - headers already sent in /in/L7cIL on line 12 Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cache limiter - headers already sent (output started at /in/L7cIL:12) in /in/L7cIL on line 12 array(1) { ["!"]=> string(14) "|O:2:"hi":0:{}" }

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