exclude list of products from feed with the use of an array

remove_list_products.php

<?php

function exclude_list_from_feed( $attributes, $feed_id, $product_id ) {
	
	//Array with the numbers from products we want te exclude
	$exclude_array = array(13608, 13632, 16123, 16405);

	if (in_array($attributes['id'], $exclude_array,) == false )
	{
    	// Return the $attributes from products not in the exclude list
		return $attributes;
	}
}

add_filter( 'wppfm_feed_item_value', 'exclude_list_from_feed', 10, 3 );