Returns FALSE for an internal function (when isInternal() returns TRUE, e.g. for 'strlen').
(PHP 5)
ReflectionFunctionAbstract::getFileName — Gets file name
Gets the file name from a user-defined function.
此函式目前沒有參考文件;只有引數列表。
此函式沒有參數。
The file name.
Returns FALSE for an internal function (when isInternal() returns TRUE, e.g. for 'strlen').