protected static function addTranslation($file, $string)
    {
        static::$loaded[$file] = array_merge(static::$loaded[$file], [$string => '']);
        static::saveTranslationFile($file, static::$loaded[$file]);

        return $string;
    }
protected static function addTranslation($file, $string)
    {
        static::$loaded[$file] = array_merge(static::$loaded[$file], [$string => '']);
        static::saveTranslationFile($file, static::$loaded[$file]);

        return $string;
    }
protected static function addTranslation ( $ file , $ string ) { static :: $ loaded [ $ file ] = array_merge ( static :: $ loaded [ $ file ] , [ $ string => '' ] ) ; static :: saveTranslationFile ( $ file , static :: $ loaded [ $ file ] ) ; return $ string ; }
Add missing string to an existing locale

@param string $file
@param string $string

@return string
Add missing string to an existing locale