getFileName
Note
This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.
( excerpt from http://php.net/manual/en/reflectionclass.getfilename.php )
public function getFileName(): mixed;
Gets the filename of the file in which the class has been defined.
Returns
mixed- 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.