The RuntimeException class (PHP 5 >= 5.1.0, PHP 7) 简介 Exception thrown if an error which can only be found on runtime occurs. 类摘要 RuntimeException extends Exception { /* 继承的属性 */ protected string $message ; protected int $code ; protected string $file ; protected int $line ; /* 继承的方法 */ final public Exception::getMessage ( void ) : string final public Exception::getPrevious ( void ) : Throwable final public Exception::getCode ( void ) : int final public Exception::getFile ( void ) : string final public Exception::getLine ( void ) : int final public Exception::getTrace ( void ) : array final public Exception::getTraceAsString ( void ) : string public Exception::__toString ( void ) : string final private Exception::__clone ( void ) : void }