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:
<?php
error_reporting(E_ALL);
test()
//System output a parse error
?>
<?php
error_reporting(E_WARNING);
test()
//System output a parse error
?>
<?php
error_reporting(E_ERROR);
test()
//System output a parse error
?>
<?php
error_reporting(E_PARSE);
test()
//System output a parse error
?>