payment cards php

gistfile1.txt

<?php

class MyPayment
{
    protected static cards_config = [
		[
			'type' =>  'visaelectron',
			'patterns' =>  [4026, 417500, 4405, 4508, 4844, 4913, 4917],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [16],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => false,
		],
		[
			'type' =>  'maestro',
			'patterns' =>  [5018, 502, 503, 506, 56, 58, 639, 6220, 67],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [12, 13, 14, 15, 16, 17, 18, 19],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => false,
		],
		[
			'type' =>  'forbrugsforeningen',
			'patterns' =>  [600],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [16],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => false,
		],
		[
			'type' =>  'dankort',
			'patterns' =>  [5019],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [16],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => false,
		], 
		[
			'type' =>  'elo',
			'patterns' =>  [4011, 4312, 4389, 4514, 4573, 4576, 5041, 5066, 5067, 509, 6277, 6362, 6363, 650, 6516, 6550],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [16],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => false,
		], 
		[
			'type' =>  'visa',
			'patterns' =>  [4],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [13, 16],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => true, // 本人認証可能か？
		], 
		[
			'type' =>  'mastercard',
			'patterns' =>  [51, 52, 53, 54, 55, 22, 23, 24, 25, 26, 27],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [16],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => true, // 本人認証可能か？
		], 
		[
			'type' =>  'amex',
			'patterns' =>  [34, 37],
			'format' =>  '/(\d{1,4})(\d{1,6})?(\d{1,5})?/',
			'length' =>  [15],
			'cvcLength' =>  [3, 4],
			'luhn' =>  true,
			'auth' => false,
		], 
		[
			'type' =>  'dinersclub',
			'patterns' =>  [30, 36, 38, 39],
			'format' =>  '/(\d{1,4})(\d{1,6})?(\d{1,4})?/',
			'length' =>  [14],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => false,
		], 
		[
			'type' =>  'discover',
			'patterns' =>  [60, 64, 65, 622],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [16],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => false,
		], 
		[
			'type' =>  'unionpay',
			'patterns' =>  [62, 88],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [16, 17, 18, 19],
			'cvcLength' =>  [3],
			'luhn' =>  false,
			'auth' => false,
		], 
		[
			'type' =>  'jcb',
			'patterns' =>  [35],
			'format' =>  '/(\d{1,4})/',
			'length' =>  [16],
			'cvcLength' =>  [3],
			'luhn' =>  true,
			'auth' => true,
		]
	];

	public static function card_from_num($num)
	{
    	$config = self::$cards_config;
	    $card;
	    $p;
	    $pattern;
	    $_i;
	    $_j;
	    $_len;
	    $_len1;
	    $_ref;

	    $num = preg_replace('#\D#', '', $num);
	    for ($_i = 0, $_len = count($config); $_i < $_len; $_i++ ) {
	    	$card = $config[$_i];
	    	$_ref = $card['patterns'];
	    	for ($_j = 0, $_len1 = count($_ref); $_j < $_len1; $_j++) {
	    		$pattern = $_ref[$_j];
	    		$p = strval($pattern);
	    		if (substr($num, 0, strlen($p)) === $p) {
	    			return $card;
	    		}
	    	}
	    }
	}

	public static function card_luhn_check($num)
	{
	    $digit;
	    $digits;
	    $odd;
	    $sum;
	    $_i;
	    $_len;

	    $odd = true;
	    $sum = 0;
	    $num = preg_replace('#\D#', '', $num);
	    $digits = strrev(strval($num));
	    //$digits = (num + '').split('').reverse();

	    for ($_i = 0, $_len = strlen($digits); $_i < $_len; $_i++) {
	    	$digit = $digits[$_i];
	    	$digit = intval($digit);
	    	if (($odd = !$odd)) {
	    		$digit *= 2;
	    	}
	    	if ($digit > 9) {
	    		$digit -= 9;
	    	}
	    	$sum += $digit;
	    }

	    return $sum % 10 === 0;
	}

}

php > include 'MyPayment.php';
php > var_dump( MyPayment::card_from_num(4111111111111111) );
array(7) {
["type"]=>
string(4) "visa"
["patterns"]=>
array(1) {
[0]=>
int(4)
}
["format"]=>
string(11) "/(\d{1,4})/"
["length"]=>
array(2) {
[0]=>
int(13)
[1]=>
int(16)
}
["cvcLength"]=>
array(1) {
[0]=>
int(3)
}
["luhn"]=>
bool(true)
["auth"]=>
bool(true)
}