ReflectionClass::getFileName Gets the filename of the file in which the class has been defined &reftitle.description; public stringfalseReflectionClass::getFileName Gets the filename of the file in which the class has been defined. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; Returns the filename of the file in which the class has been defined. If the class is defined in the PHP core or in a PHP extension, &false; is returned. &reftitle.seealso; ReflectionClass::getExtensionName