The priority of Parse Error should be higher than that of Fatal Error,Parse Error, which has the highest priority among all PHP exceptions. See the following example:<?phperror_reporting(E_ALL);test()//System output a parse error?><?phperror_reporting(E_WARNING);test()//System output a parse error?><?phperror_reporting(E_ERROR);test()//System output a parse error?><?phperror_reporting(E_PARSE);test()//System output a parse error?>