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                [TOC] ## PHP錯誤級別以及日志 > PHP中錯誤報告的處理行為,通過php.ini中配置error_reporting進行實現。 ### PHP的錯誤報告級別 > **E_ERROR**:致命的運行時錯誤 > **E_WARNING**:警告信息 > **E_NOTICE**:提示信息 > **E_DEPRECATED**:過期的方法調用提醒 > 還有很多,網上自查~~~~。。。。 > **E_ALL**:所有的錯誤、警告以及提醒 ### 日志常規設置 > error_reporting設置不同級別的錯誤信息,可以把位運算符[&(與)、|(或)、~(非)]和錯誤級別常量一起使用 > 關閉掉提示信息 ``` error_reporting = E_ALL & ~E_NOTICE & ~E_DEPRECATED & ~E_WARNING ``` ## PHP異常處理 ### 格式 ``` try { //todo... }catch(\Exception $e) { echo $content = $e->getMessage(); } ``` ### 繼承Exception類 ``` class MyException extends Exception{ public function __construct($message, $code=0){ parent::__construct($message, $code); } public function __toString() { return __CLASS__.":[".$this->code."]:".$this->message."<br>"; } } ``` ### 拋出與捕獲異常 ``` try { echo 'do previous'; if (true) { $error = '出現XXX邏輯錯誤'; throw new MyException($error); } echo 'do next'; } catch (MyException $e) { echo '捕獲異常: '.$e; } ```
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