Subversion Repositories cheapmusic

Rev

Rev 121 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 - 1 
<?php
2 
/**
20 - 3 
 * Bar codes checker - Checks if a barcode is valid and returns barcode type
4 
 *
1 - 5 
 * @link		http://www.phpclasses.org/package/8560-PHP-Detect-type-and-check-EAN-and-UPC-barcodes.html
6 
 * @author		Ferry Bouwhuis
7 
 * @version		1.0.1
8 
 * @LastChange	2014-04-13
9 
 */
10 
 
65 - 11 
class clsLibGTIN {
12 
    public static function GTINCheck($p_sGTINCode, $p_bReturnGTIN14 = false, $p_getType = 0) {
13 
        //Setting return value
14 
        /*
15 
         * If TRUE it will retun al barcodes as 14 digit strings
16 
         * If FALSE it will return only what is needed UPC -> 12 / EAN -> 13 /
17 
        */
18 
        $bReturnGTIN14 = $p_bReturnGTIN14;
20 - 19 
 
65 - 20 
        //Filter UPC coupon codes
21 
        /*
22 
         * If TRUE it will return false on UPC coupon codes
23 
         * Type will always return UPC coupon code
24 
        */
25 
        $bSkipCouponCodes = true;
20 - 26 
 
65 - 27 
        //Trims parsed string to remove unwanted whitespace or characters
28 
        $p_sGTINCode = (string)trim($p_sGTINCode);
29 
        if (preg_match('/[^0-9]/', $p_sGTINCode)) return false;
1 - 30 
 
65 - 31 
        if (!is_string($p_sGTINCode)) {
32 
            $p_sGTINCode = strval($p_sGTINCode);
33 
        }
34 
        $sGTINCode = trim($p_sGTINCode);
35 
        $p_sGTINCode = null;
36 
        $length = strlen($sGTINCode);
37 
        if (($length > 11 && $length <= 14) || $length == 8) {
113 - 38 
            $zeroes = 18 - $length;
65 - 39 
            $length = null;
40 
            $fill = "";
113 - 41 
            for ($i = 0;$i < $zeroes;$i++) {
65 - 42 
                $fill .= "0";
43 
            }
113 - 44 
            $zeroes = null;
65 - 45 
            $i = null;
46 
            $sGTINCode = $fill . $sGTINCode;
47 
            $fill = null;
48 
            if (!clsLibGTIN::GTINCheckDigit($sGTINCode)) {
49 
                return false;
50 
            }
51 
            elseif (substr($sGTINCode, 5, 1) > 2) {
52 
                //EAN / JAN / EAN-13 code
53 
                if ($p_getType) {
54 
                    if (in_array(substr($sGTINCode, 5, 3) , array(
55 
                        "978",
56 
                        "979"
57 
                    ))) {
58 
                        return 'ISBN';
59 
                    }
60 
                    else {
61 
                        return 'EAN';
62 
                    }
63 
                }
64 
                else {
65 
                    return (string)substr($sGTINCode, ($bReturnGTIN14 ? -14 : -13));
66 
                }
67 
            }
68 
            elseif (substr($sGTINCode, 6, 1) == 0 && substr($sGTINCode, 0, 10) == 0) {
69 
                //EAN-8 / GTIN-8 code
70 
                if ($p_getType) {
71 
                    return 'EAN-8';
72 
                }
73 
                else {
74 
                    return (string)substr($sGTINCode, ($bReturnGTIN14 ? -14 : -8));
75 
                }
76 
            }
77 
            elseif (substr($sGTINCode, 5, 1) <= 0) {
78 
                //UPC / UCC-12 GTIN-12 code
79 
                if ($p_getType) {
80 
                    if (substr($sGTINCode, 6, 1) == 5) return 'UPC coupon code';
81 
                    else return 'UPC';
82 
                }
83 
                else {
84 
                    if ($bSkipCouponCodes && substr($sGTINCode, 6, 1) == 5) return false;
20 - 85 
 
65 - 86 
                    return (string)substr($sGTINCode, ($bReturnGTIN14 ? -14 : -12));
87 
                }
88 
            }
89 
            elseif (substr($sGTINCode, 0, 6) == 0) {
90 
                //GTIN-14
91 
                if ($p_getType) {
92 
                    return 'GTIN-14';
93 
                }
94 
                else {
95 
                    return (string)substr($sGTINCode, -14);
96 
                }
97 
            }
98 
            else {
99 
                //EAN code
100 
                if ($p_getType) {
101 
                    return 'EAN';
102 
                }
103 
                else {
104 
                    return (string)substr($sGTINCode, ($bReturnGTIN14 ? -14 : -13));
105 
                }
106 
            }
107 
        }
108 
        else {
109 
            return false;
110 
        }
111 
    }
1 - 112 
 
65 - 113 
    public static function GTINCheckDigit($p_sGTINCode) {
114 
        $iCalculation = 0;
115 
        for ($i = 0;$i < (strlen($p_sGTINCode) - 1);$i++) {
116 
            $iCalculation += $i % 2 ? $p_sGTINCode[$i] * 1 : $p_sGTINCode[$i] * 3;
117 
        }
20 - 118 
 
65 - 119 
        if (substr(10 - (substr($iCalculation, -1)) , -1) != substr($p_sGTINCode, -1)) {
120 
            $iCalculation = null;
121 
            $p_sGTINCode = null;
122 
            return false;
123 
        }
124 
        else {
125 
            $iCalculation = null;
126 
            $p_sGTINCode = null;
127 
            return true;
128 
        }
129 
    }
113 - 130 
 
131 
    public static function GTINCalcCheckDigit($p_sGTINCode) {
121 - 132 
        $p_sGTINCode = (string)trim($p_sGTINCode);
133 
        if (preg_match('/[^0-9]/', $p_sGTINCode)) return false;
134 
 
134 - 135 
        $p_sGTINCode .= 'X';
113 - 136 
        $sGTINCode = trim($p_sGTINCode);
137 
        $length = strlen($sGTINCode);
138 
        if (($length > 11 && $length <= 14) || $length == 8) {
139 
            $zeroes = 18 - $length;
140 
            $length = null;
141 
            $fill = "";
142 
            for ($i = 0;$i < $zeroes;$i++) {
143 
                $fill .= "0";
144 
            }
145 
            $zeroes = null;
146 
            $sGTINCode = $fill . $sGTINCode;
147 
            $fill = null;
134 - 148 
        } else {
149 
            return false;
113 - 150 
        }
151 
        $iCalculation = 0;
152 
        for ($i = 0;$i < (strlen($sGTINCode) - 1);$i++) {
153 
            $iCalculation += $i % 2 ? $sGTINCode[$i] * 1 : $sGTINCode[$i] * 3;
154 
        }
155 
        $iDigit = substr(10 - (substr($iCalculation, -1)) , -1);
156 
        $iCalculation = null;
157 
        $p_sGTINCode = null;
158 
        return $iDigit;
159 
    }
1 - 160 
}
65 - 161 
?>