WooCommerce Bookings: Remove all available blocks for the day if one is booked

file.php

//Don't know what to do with this? See https://www.thathandsomebeardedguy.com/what-do-i-do-with-these-code-snippets/
add_filter( 'wc_bookings_product_get_available_blocks', 'beardedguy_maybe_remove_availability', 10, 5 );

function beardedguy_maybe_remove_availability( $available_blocks, $booking_object, $blocks, $intervals, $resource_id ) {
	return ( sizeof( $available_blocks ) < sizeof( $blocks ) ) ? array() : $available_blocks;
}