Overview
KB
Technical FAQ
PHP Manual
CSS2 Manual
HTML Manual
JS Guide
JS Reference
PhpDock Manual
Nu-Coder Manual
PhpExpress Manual
PHP Joomla
Development
Learn PHP
 
<ReflectionFunctionAbstract::getExtensionNameReflectionFunctionAbstract::getName>
^ReflectionFunctionAbstractLast updated: Mon, 26 Oct 2026

ReflectionFunctionAbstract::getFileName

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

ReflectionFunctionAbstract::getFileName — Gets file name

Description

public function ReflectionFunctionAbstract::getFileName(): string|false

Gets the file name from a user-defined function.

Parameters

This function has no parameters.

Return Values

Returns the filename of the file in which the function has been defined. If the class is defined in the PHP core or in a PHP extension, false is returned.

See Also


<ReflectionFunctionAbstract::getExtensionNameReflectionFunctionAbstract::getName>
^ReflectionFunctionAbstractLast updated: Mon, 26 Oct 2026