public static function isLowerCase($char): bool
    {
        self::handleIncomingChar($char);

        return static::compare($char, static::toLowerCase($char)) === 0;
    }
public static function isLowerCase($char): bool
    {
        self::handleIncomingChar($char);

        return static::compare($char, static::toLowerCase($char)) === 0;
    }
public static function isLowerCase ( $ char ) : bool { self :: handleIncomingChar ( $ char ) ; return static :: compare ( $ char , static :: toLowerCase ( $ char ) ) === 0 ; }
Checks if specified character is lower case

@param static|string $char
@return boolean
@throws InvalidArgumentException
@throws TypeError
Checks if specified character is lower case