title: Paypal returns an empty $_POST with mozilla after successfull transaction
body: <p>I am getting $_POST data in chrome and IE but not in FF.</p>
  
  <p>Please help me!!</p>
  
  <p>Thanks in advance.below is my code..i am passing details to paypal using pay function and getting return array in return function.</p>
  
  <p>public function pay()
      {   </p>
  
  <pre><code>    $this-&gt;paypal_lib-&gt;add_field('cmd',"_xclick"); 
      $this-&gt;paypal_lib-&gt;add_field('cbt',"Return to example"); 
      $this-&gt;paypal_lib-&gt;add_field('business',"kaushik.savaliya-facilitator@agileinfoways.com"); // Business Email
      $this-&gt;paypal_lib-&gt;add_field('item_name', 'my product'); // Product Name
      $this-&gt;paypal_lib-&gt;add_field('amount', '1.00'); // Price        
      $this-&gt;paypal_lib-&gt;add_field('button_subtype',"services"); 
      $this-&gt;paypal_lib-&gt;add_field('no_shipping',"1"); 
      $this-&gt;paypal_lib-&gt;add_field('return',base_url().'paypal/returnpage'); // Return URL
      $this-&gt;paypal_lib-&gt;add_field('notify_url', base_url().'paypal/ipn'); // &lt;-- IPN url
      $this-&gt;paypal_lib-&gt;add_field('cancel_return', base_url().'paypal/cancel'); // Cancel URL
      $this-&gt;paypal_lib-&gt;add_field('currency_code',"USD"); 
      $this-&gt;paypal_lib-&gt;add_field('image_url',""); 
      $this-&gt;paypal_lib-&gt;add_field('custom', '112');  // Optional
      $this-&gt;paypal_lib-&gt;add_field('quantity', '1'); // Quantity      
      $this-&gt;paypal_lib-&gt;add_field('METHOD', 'GetExpressCheckoutDetails'); // Quantity
  
  
  
      $this-&gt;paypal_lib-&gt;paypal_auto_form();
  
  }
  
  public function returnpage()
  {
      echo '&lt;pre&gt;';
      print_r($_REQUEST);
      exit();
  
      if(!$this-&gt;input-&gt;post('payer_id'))
      {
          echo "Success !!";
      }
      else
      {
          echo "Error !!";
      }
  }
  </code></pre>