src/Debug/FileStreamWrapper.php
public function unlink($path)
    {
        self::restorePrev();
        $success = \unlink($path);
        self::register();
        return $success;
    }
public function unlink($path)
    {
        self::restorePrev();
        $success = \unlink($path);
        self::register();
        return $success;
    }
Unlink a file

@param string $path filepath

@return boolean

@see http://php.net/manual/en/streamwrapper.unlink.php