Stop Paid Memberships Pro PDF invoices from attaching/generating for free levels.

pmpro-pdf-stop-pdfs-free.php

<?php
/**
 * The code below stops PDF's from being generated for free Paid Memberships Pro levels/orders.
 * Follow this guide to add code to your site - https://yoohooplugins.com/customize-wordpress/
 */

// Stop generating when orders are added/updated
function my_pmpro_pdf_disable_pdf_free( $generate, $order ) {

    if ( ! $generate ) {
        return $generate;
    }

    if ( $order->total == '0' ) {
        $generate = false;
    }

    return $generate;
}
add_filter( 'pmpropdf_can_generate_pdf_on_added_order', 'my_pmpro_pdf_disable_pdf_free', 10, 2 );
add_filter( 'pmpropdf_can_regenerate_pdf_on_added_order', 'my_pmpro_pdf_disable_pdf_free', 10, 2 );

// Stop PDF's generating on free checkouts.
function my_pmpro_pdf_disable_pdf_free_checkout( $generate, $level ) {
    
    if ( ! $generate ) {
        return $generate;
    }

	if ( $email->template === "checkout_free" ) {
		$generate = false;
	}
	return $generate;
}
add_filter( 'pmpropdf_can_attach_pdf_email', 'my_pmpro_pdf_disable_pdf_free_checkout', 10, 2 );

I can't get this to work - it still generates a PDF invoice... I reached out to you via email as well Andrew. Thanks for your assistance.