remove Provider URL from Woo Checkout URL fix for ET 4.11.4

functions.php

<?php

//remove the original filter
add_action( 'wp', 'rt_et_remove_tribe_filter', 99 );

function rt_et_remove_tribe_filter() {
	$woo_cart = tribe( 'tickets-plus.commerce.woo.cart' );
	remove_filter( 'woocommerce_get_checkout_url', [
		$woo_cart,
		'maybe_filter_checkout_url_to_attendee_registration'
	], 50 );

	add_filter( 'woocommerce_get_checkout_url', 'rt_maybe_filter_checkout_url_to_attendee_registration_without_provider', 55, 1 );
}

function rt_maybe_filter_checkout_url_to_attendee_registration_without_provider($checkout_url){
	// If in the admin area, do not filter.
	error_log(print_r($checkout_url, 1));

	$woo_cart = tribe( 'tickets-plus.commerce.woo.cart' );
	if ( is_admin() ) {
		return  $checkout_url;
	}

	/** @var \Tribe__Tickets__Attendee_Registration__Main $attendee_reg */
	$attendee_reg = tribe( 'tickets.attendee_registration' );

	global $wp_query;

	// If on the AR page, do not filter.
	if (
		empty( $wp_query->query_vars )
		|| $attendee_reg->is_on_page()
		|| $attendee_reg->is_cart_rest()
		|| $attendee_reg->is_using_shortcode()
	) {
		return $checkout_url;
	}

	$ticket_updated = false;
	$wc_session     = WC()->session;

	if ( $wc_session ) {
		$ticket_updated = filter_var( $wc_session->get( 'tribe_ar_ticket_updated' ), FILTER_VALIDATE_BOOLEAN );
	}

	if ( ! $ticket_updated ) {
		$cart_tickets = $woo_cart->get_tickets_in_cart();

		/** @var \Tribe__Tickets_Plus__Meta__Contents $meta_contents */
		$meta_contents   = tribe( 'tickets-plus.meta.contents' );
		$meta_up_to_date = $meta_contents->is_stored_meta_up_to_date( $cart_tickets );

		// If meta is up to date, do not filter.
		if ( $meta_up_to_date ) {
			return  $checkout_url;
		}

		/** @var \Tribe__Tickets_Plus__Meta $tickets_meta */
		$tickets_meta  = tribe( 'tickets-plus.main' )->meta();
		$cart_has_meta = $tickets_meta->cart_has_meta( $cart_tickets );

		// If cart has no meta, do not filter.
		if ( ! $cart_has_meta ) {
			return $checkout_url;
		}
	}

	/** @var \Tribe__Tickets_Plus__Commerce__WooCommerce__Main $woo */
	$woo = tribe( 'tickets-plus.commerce.woo' );

	$ticket_provider = $woo->attendee_object;
	$checkout_url    = $attendee_reg->get_url();
	$checkout_url    = add_query_arg( 'provider', $ticket_provider, $checkout_url );

	return $checkout_url;
}