PHP Classes

File: helper/ean13Sum.php

Recommend this page to a friend!
  Classes of Alexey Starikov   PHP Helper Class   helper/ean13Sum.php   Download  
File: helper/ean13Sum.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: PHP Helper Class
Call helper functions that are loaded dynamically
Author: By
Last change:
Date: 5 years ago
Size: 402 bytes
 

Contents

Class file image Download
<?php
// ean13Sum ean8
return function($code, $type='ean13'){
    $len = $type == 'ean13' ? 12 : 7;
    $code = substr($code, 0, $len);
    if (!preg_match('`[0-9]{'.$len.'}`', $code)) return('');
    $sum = 0;
    $odd = true;
    for($i=$len-1; $i>-1; $i--){
        $sum += ($odd ? 3 : 1) * intval($code[$i]);
        $odd = ! $odd;
    }
    return($code . ( (string) ((10 - $sum % 10) % 10)));
}?>