public static function appendDelimiter($string, $delimiter)
    {
        if (!self::endsWith($string, $delimiter)) {
            $string .= $delimiter;
        }

        return $string;
    }
public static function appendDelimiter($string, $delimiter)
    {
        if (!self::endsWith($string, $delimiter)) {
            $string .= $delimiter;
        }

        return $string;
    }
public static function appendDelimiter ( $ string , $ delimiter ) { if ( ! self :: endsWith ( $ string , $ delimiter ) ) { $ string .= $ delimiter ; } return $ string ; }
Append the delimiter to the string. The delimiter will not be added if
the string already ends with this delimiter.

@param string $string    The string to add delimiter to.
@param string $delimiter The delimiter to be added.

@return string
Append the delimiter to the string . The delimiter will not be added if the string already ends with this delimiter .