dans le formulaire payment methode ils affiche les moyens de payment accepter par le vendeur.
par contre you est la valeur resultat que l'acheteur a selection

dans payment methode ils ont mis cela:

<div class="row">
                <div class="col-xs-12 col-md-6"> 
                {$functions->getVenderAcceptedPaymentMethod($view_cart_details[0].vender_id)}
                 <!--==========================Payment Options===========================-->
                 <form action="" method="post" name="payment_getway" id="payment_getway">
                <div class="panel panel-default">
                      <div class="panel-heading"><strong>Payment Options</strong></div>
                          <div class="panel-body">
                           
                   <input type="hidden" name="amount" value="{$amount}" />
                    <input type="hidden" name="ord_id" value="{$oid}" />
                    <input type="hidden" name="paypal_id" value="{$vender_payment_details[0].paypal_id}" />
                   <div class="payment-method-option">
                     {if $vender_payment_details[0].paypal_yes_no=='Y'}
                     	<input type="radio" name="payment_opt" value="P" checked="checked">&nbsp;Paypal 
                                 {/if}   
    <!-- <input type="radio" name="payment_opt" value="COD" >&nbsp;Cash On Delivery-->
   {if $vender_payment_details[0].western_yes_no=='Y'}  
       {if $vender_payment_details[0].paypal_yes_no=='N'}
          <input type="radio" name="payment_opt" value="WU" checked="checked" >&nbsp;Western Union
                           {else}    
               <input type="radio" name="payment_opt" value="WU" >&nbsp;Western Union
                                    {/if}
                                 {/if}   
                                 {if $vender_payment_details[0].bankwire_yes_no=='Y'}  
          	{if $vender_payment_details[0].paypal_yes_no=='N' && $vender_payment_details[0].western_yes_no=='N'}
                                   		 <input type="radio" name="payment_opt" value="WT" checked="checked" >&nbsp;Wire Transfer      
          {else}
             <input type="radio" name="payment_opt" value="WT"  >&nbsp;Wire Transfer      
                                    {/if}    
                                 {/if}              
                                </div><!-- /.payment-method-option -->
                           
                          </div>
                    </div>   
                    
                    </div>
    	<div class="col-xs-12 col-md-6">     
                <!--==========================delivery address===========================-->
                <div class="panel panel-default">
                      <div class="panel-heading"><strong>Delivery Address</strong></div>
                          <div class="panel-body">
                          	{$view_cart_details[0].delivery_name}<br />
                            {$view_cart_details[0].delivery_address},<br />
                            {$view_cart_details[0].delivery_city},
                            {$view_cart_details[0].delivery_state},
                            {$view_cart_details[0].delivery__pin_code},
                             {$view_cart_details[0].delivery__landmark},
                            
                            {$functions->getCountrySingleFildDetails_NEW('country',$view_cart_details[0].delivery_country)}
                          <br />
                            Mobile:-{$view_cart_details[0].delivery_mobile}
                          </div>
                    </div>
                    
               </div>
                    
    	
                    </div>
                    
                    
                  <div class="form-group">
           			  <input type="submit" name="payment_method_submit" value="Continue" class="le-button cursor" />
           		  </div>   
               </form>
                <!--=====================================================-->
            </div>
        </div>
    </div>
</div>

dans success order detail fin de la commande ils ont mis cela

<!--=======================payment transfre details============================-->
    {if $query_data[0].payment_status=='WU' || $query_data[0].payment_status=='WT'}
    	{$functions->getVenderAcceptedPaymentMethod($query_data[0].vender_id)}
                <div class="panel panel-default">
                {if $query_data[0].payment_status=='WU'}<div class="panel-heading"><strong>Western Union Payment Details</strong></div>{/if}
                {if $query_data[0].payment_status=='WT'}<div class="panel-heading"><strong>Wire Transfer  Payment Details</strong></div>{/if}
                {if $query_data[0].payment_status=='WU'}<div class="panel-body">{$vender_payment_details[0].western_union_details}</div>{/if}
                {if $query_data[0].payment_status=='WT'}<div class="panel-body">{$vender_payment_details[0].bankwire_details}</div>{/if}
                </div> 
    {/if}

le soucis cela ne 'saffiche pas dans la base de donnees dans le champ qu'il ont designer payment_status, en faite demi bonne nouvelle seul paypal fonctionne peut etre parce qu il est en hidden>?