wordpress/woocommerce: Remove price if zero

Question

I\'m busy with a wordpress/woocommerce site and I\'d like to hide the price of an item when it\'s zero on the product category/archive page.

I\'ve tried looking on the

Answer 1

This one finally did it for me (using woocommerce 3.0.8):

function cw_change_product_price_display( $price ) {
    $clear = trim(preg_replace('/ +/', ' ', preg_replace('/[^A-Za-z0-9 ]/', ' ', urldecode(html_entity_decode(strip_tags($price))))));
    if($clear == "0 00"){
      return '';
    }
    return $price;
  }
  add_filter( 'woocommerce_get_price_html', 'cw_change_product_price_display' );
  add_filter( 'woocommerce_cart_item_price', 'cw_change_product_price_display' );