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    ReflectionFunctionAbstract::getFileName

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

    ReflectionFunctionAbstract::getFileName — Gets file name

    Description

    public 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

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