gform_paypal_invoice

Description

This filter allows the invoice number, sent to PayPal for the PayPal Standard Add-on, to be changed.

Usage

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add_filter( 'gform_paypal_invoice', 'your_function_name', 10, 3 );

Parameters

  • $invoice_id integer

    Empty string.

  • $form Form Object

    The form from which the PayPal transaction was submitted.

  • $entry Entry Object

    The entry used to generate the PayPal transaction.

Examples

This example shows how to use the $entry ID as the invoice ID.

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add_filter( 'gform_paypal_invoice', 'change_invoice', 10, 3 );
function change_invoice( $invoice_id, $form, $entry ) {
    return rgar( $entry, 'id' );
}

Source Code

This filter is located in GFPayPal::redirect_url() in class-gf-paypal.php.