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copied!<p>It sounds like you have the adding of users handled, so let me touch on submitting the shopping cart. I did something similar, but created a PHP function to handle the addition of each item, which essentially echoed each product (desc, price, etc) inside a form, then simply submitted this form at the proper time to PayPal. </p> <pre><code>function FormatPaypal($iItemno, $sItemname, $iQty, $fPrice, $fDiscountAmount, $sCode) { global $iUser; $s1 = sprintf('<input type="hidden" name="item_name_%d" value="%s">', $iItemno, $sItemname); $s2 = sprintf('<input type="hidden" name="amount_%d" value="%.2f"> ', $iItemno, $fPrice); $s3 = sprintf('<input type="hidden" name="quantity_%d" value="%d"> ', $iItemno, $iQty); $s4 = sprintf('<input type="hidden" name="discount_amount_%d" value="%.2f">', $iItemno, $fDiscountAmount); $sCode = sprintf("%s-%d", $sCode, $iUser ); $s5 = sprintf('<input type="hidden" name="item_number_%d" value="%s">', $iItemno, $sCode); $sReturn = $s1.$s2.$s3.($fDiscountAmount ? $s4 : '').$s5; echo $s5; return $sReturn; } </code></pre> <p>which was placed inside a standard PayPal form:</p> <pre><code><form action="https://www.paypal.com/cgi-bin/webscr" method="post" name="frmPaypal"> <input type="hidden" name="cmd" value="_cart"> </code></pre> <p>Using this method I only have to increment the $iItemNo with each use. I am currently building a PHP class to simplify this even further by managing the items and total item count, if interested I'll try to remember to come back and share it here. </p>

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