PHP code example of choval / damm

1. Go to this page and download the library: Download choval/damm library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

choval / damm example snippets


damm_digit(string $number) : int
damm_valid(string $number[, string $digit]) : bool


echo damm_digit(572);
// 4

echo damm_digit('572');
// 4

echo damm_digit('0000572');
// 4

echo damm_valid(572, 4);
// true

echo damm_valid(572, 3);
// false

echo damm_valid(5724);
// true

echo damm_valid('000005724');
// true