php析构函数疑惑
- WBOY原創
- 2016-06-23 13:24:211069瀏覽
<?phpclass Test { public $start; public $end; public function __construct() { echo "__construct<br />"; $this->start = microtime(true); } public function test() { echo "in test()<br />"; throw new Exception("error", 500); // 抛出异常 } public function __destruct() { echo "__destruct<br />"; }}$test = new Test();$test->test();
方法里抛出异常后，不会调用析构函数：
try异常后能调用析构函数：
<?phpclass Test { public $start; public $end; public function __construct() { echo "__construct<br />"; $this->start = microtime(true); } public function test() { echo "in test()<br />"; try { // try 异常 throw new Exception("error", 500); // 抛出异常 } catch(Exception $e) { } } public function __destruct() { echo "__destruct<br />"; }}$test = new Test();$test->test(); 陳述：
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