ctype_alnumPodręcznik PHPPoprzedniNastępnyctype_alnum (PHP 4 >= 4.0.4)ctype_alnum -- Check for alphanumeric character(s)Descriptionbool ctype_alnum ( string text) Returns TRUE if every character in text is either a letter or a digit, FALSE otherwise. In the standard C locale letters are just [A-Za-z]. The function is equivalent to (ctype_alpha($text) || ctype_digit($text)). See also ctype_alpha(), ctype_digit(), and setlocale(). PoprzedniSpis treściNastępnyCharacter type functionsPoczątek rozdziałuctype_alpha