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<ReflectionConstant::getExtensionNameReflectionConstant::getName>
^ReflectionConstantLast updated: Mon, 26 Oct 2026

ReflectionConstant::getFileName

(PHP 8 >= 8.5.0)

ReflectionConstant::getFileName — Gets name of the defining file

Description

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

Gets the filename of the file in which the constant has been defined.

Parameters

This function has no parameters.

Return Values

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


<ReflectionConstant::getExtensionNameReflectionConstant::getName>
^ReflectionConstantLast updated: Mon, 26 Oct 2026