php析构函数疑惑

"; $this->start = microtime(true); } public function test() { echo "in test()
"; throw new Exception("error", 500); // 抛出异常 } public function __destruct() { echo "__destruct
"; }}$test = new Test();$test->test();

"; $this->start = microtime(true); } public function test() { echo "in test()
"; try { // try 异常 throw new Exception("error", 500); // 抛出异常 } catch(Exception $e) { } } public function __destruct() { echo "__destruct
"; }}$test = new Test();$test->test();