DescriptionUsageParametersExamplesPlacementSource Code
Description
Allows the PayPal IPN URL to which data is being posted to be modified.
Usage
add_filter( 'gform_paypal_ipn_url', 'your_function_name', 10, 1 );
Parameters
$url string
The IPN URL.
Examples
add_filter( 'gform_paypal_ipn_url', 'change_ipn_url', 10, 1 );
function change_ipn_url( $url ){
//send all requests to the sandbox
return "https://www.sandbox.paypal.com/cgi-bin/webscr/";
}
Placement
This code should be placed in the functions.php file of your active theme.
Source Code
This filter is located in GFPayPal::verify_paypal_ipn() in gravityformspaypal/class-gf-paypal.php.