<?php 
/*
*	This script was writed by Setec Astronomy - hide@address.com
*
*	This class allows to generate the MD5 Checksum used to pass orders 
*	with dynamic prices to the ShareIT.com gateway.
*
*	This script is distributed  under the GPL License
*
*	This program is distributed in the hope that it will be useful,
*	but WITHOUT ANY WARRANTY; without even the implied warranty of
*	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* 	GNU General Public License for more details.
*
*	http://www.gnu.org/licenses/gpl.txt
*
*/

define ('SHAREIT_TYPE_OF_PRICE_NETT', 'N');
define ('SHAREIT_TYPE_OF_PRICE_GROSS', 'G');

class shareitdynprice {
	
	var $productId = '';
	var $prices = array ();
	var $typeofprice = SHAREIT_TYPE_OF_PRICE_NETT;
	var $password = '';
	
	function getMD5Checksums () {
		$prices = implode (',', $this->prices) . ','  .$this->typeofprice;
		$string = $this->productId . '#' . $prices . '#' . $this->password;	
		return md5 ($string);
	}
	
	function addPrice ($price) {
		$this->prices[] = $price; 
	}
}

/* // sample code
$shareitdynprice = new shareitdynprice ();
$shareitdynprice->productId = 'your product id'; 
$shareitdynprice->typeofprice = SHAREIT_TYPE_OF_PRICE_NETT;
$shareitdynprice->password = 'your password'; 
$shareitdynprice->addPrice ('one product price'); // i.e. 10EUR or 12USD etc.
print ($shareitdynprice->getMD5Checksums ());
*/
?>