(PECL rar >= 2.0.0)
RarException::isUsingExceptions — Check whether error handling with exceptions is in use
Checks whether the RAR functions will emit warnings and return error values or whether they will throw exceptions in most of the circumstances (does not include some programmatic errors such as passing the wrong type of arguments).
此函数没有参数。
示例 #1 RarException::isUsingExceptions() example
<?php
//The default is not to use exceptions
var_dump(RarException::isUsingExceptions());
?>以上示例的输出类似于：
bool(false)