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<?php // Testing shutdown sequence function shutdown() { echo "register_shutdown_function\n"; } register_shutdown_function('shutdown'); class MyClass { function __destruct() { echo "Object destructor\n"; } } function obcallback($buffer) { $buffer .= "Output buffer callback\n"; return $buffer; } ob_start('obcallback'); $myObject = new MyClass; function dummy() { } function sessionclose() { echo "Session close\n"; } function sessionwrite() { echo "Session write\n"; } session_set_save_handler('dummy','sessionclose','dummy','sessionwrite','dummy','dummy'); session_start();