gform_paypal_ipn_url

Description

Allows the PayPal IPN URL to which data is being posted to be modified.

Usage

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add_filter( 'gform_paypal_ipn_url', 'your_function_name', 10, 1 );

Parameters

Examples

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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.