public static function isLower($string, $charset)
    {
        return ((self::lower($string, true, $charset) === $string) &&
                self::isAlpha($string, $charset));
    }
public static function isLower($string, $charset)
    {
        return ((self::lower($string, true, $charset) === $string) &&
                self::isAlpha($string, $charset));
    }
public static function isLower ( $ string , $ charset ) { return ( ( self :: lower ( $ string , true , $ charset ) === $ string ) && self :: isAlpha ( $ string , $ charset ) ) ; }
Returns true if ever character in the parameter is a lowercase letter in
the current locale.

@param string $string   The string to test.
@param string $charset  The charset to use when testing the string.

@return boolean  True if the parameter was lowercase.
Returns true if ever character in the parameter is a lowercase letter in the current locale .