Ctype::ctype_alnum( string|int $text )

Returns TRUE if every character in text is either a letter or a digit, FALSE otherwise.


Description

See also


Parameters

$text

(Required)


Return

(bool)


Source

File: vendor/symfony/polyfill-ctype/Ctype.php

    public static function ctype_alnum($text)
    {
        $text = self::convert_int_to_char_for_ctype($text);

        return \is_string($text) && '' !== $text && !preg_match('/[^A-Za-z0-9]/', $text);
    }