How to get transaction details in notify_url page in paypal

How to get transaction details in notify_url page in paypal

<form action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="POST" name="_xclick" id="paypal_form">

   <input type="hidden" name="upload" value="1" />

   <input type="hidden" name="cmd" value="_xclick" />

   <!-- The business email address, where you want to receive the payment -->

   <!--<input type="hidden" name="business" value="yesidealpayment@gmail.com" />-->

   <input type="hidden" name="business" value="sunil@rudrainnovatives.com" />

   <!-- The customer email address -->

   <input type="hidden" name="item_name_1" value="Invoice payment" />

   <input type="hidden" name="amount_1" value="2" />

   <!--<input type="hidden" name="currency_code" value="AUD" />-->

   <input type="hidden" name="currency_code" value="USD" />

   <input type="hidden" name="amount" value="2" /> 

   <!-- Where you want to return after PayPal Payment -->

   <input type="hidden" name="return" value="http://localhost/paypals/response.php" />

   <!-- A back-end notification send to the specific page after successful payment  -->

   <!--<input type="hidden" name="notify_url" value="http://yes-i-deal.com.au/test/paypal.php" />-->

   <input type="hidden" name="notify_url" value="http://localhost/paypals/response.php" />

   <!-- Where you want to return after cancel the PayPal Payment  -->

   <input type="hidden" name="cancel_return" value="http://localhost/paypals/response.php" />

   <input type="hidden" name="custom" value="25" />  

   <input type="image" name="submit"   src="http://localhost/paypals/themes/green/images/Buy-Now-Button.png" />

</form>

In my notify_url page I am getting values as : 

<?php

echo "<pre>";

print_r($_REQUEST);

echo "<pre>";

?>