for loop - php cart not sending through more than one item to paypal -


i have created cart , reason not adding item paypal. sends 1 item. have list of items added in database , loop through them.

<form action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post"> <input type="hidden" name="cmd" value="_cart" /> <input type="hidden" name="upload" value="1" /> <input type="hidden" name="business" value="test@test.com" /> <div class="basket_block" id="basket_block">   <div class="checkout_inv" id="checkout_inv">invoice: oca1234</div> <?php  $sql_cart="select * cart_table session_id = '$sessionid'"; $result_set_cart=$database->query($sql_cart); $num_rows_cart=$database->num_rows($result_set_cart); for($i=1;$i<=$num_rows_cart;$i++) { while ($row_cart=$database->fetch_array($result_set_cart)){        $prod_id_now=$row_cart['products_id'];      $quantity_now=$row_cart['quantity'];     $grand_total_now =$row_cart['grand_total'];      $sql_product = "select * products id = '$prod_id_now'";     $result_set_product = $database->query($sql_product);     while ($row_product=$database->fetch_array($result_set_product)){ $titleofmessage = $row_product['title_of_message'];       $type_id = $row_product['type_id'];}     $sql_type = "select * type id = '$type_id'";     $result_set_type = $database->query($sql_type);     while ($row_type=$database->fetch_array($result_set_type)){ $typename = $row_type['name'];} ?>   <div class="checkout_des" id="checkout_des">  <?php    echo 'title: '.html_entity_decode($titleofmessage).'<br>'.'tpye: '.$typename.'<br>'.'quantity: '.$quantity_now."<p>";   ?></div>    <div class="checkout_amount" id="checkout_amount"><?php echo 'r '.number_format($grand_total_now,2); ?></div>       <input type="hidden" name="item_name_<?php echo $i; ?>" value="<?php echo html_entity_decode($titleofmessage); ?>" />     <input type="hidden" name="quantity_<?php echo $i; ?>" value="<?php echo $quantity_now; ?>" />     <input type="hidden" name="amount_<?php echo $i; ?>" value="<?php echo $grand_total_now; ?>" />   <?php } }   ?>    </div>

just add $i++; need increment loop

<div class="checkout_amount" id="checkout_amount"><?php echo 'r '.number_format($grand_total_now,2); ?></div> <input type="hidden" name="item_name_<?php echo $i; ?>" value="<?php echo html_entity_decode($titleofmessage); ?>" /> <input type="hidden" name="quantity_<?php echo $i; ?>" value="<?php echo $quantity_now; ?>" /> <input type="hidden" name="amount_<?php echo $i; ?>" value="<?php echo $unit_cost; ?>" />  <?php $i++; } } ?>

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