Нивелиры и построители плоскости

array(2) {
  [718]=>
  string(49) "product_id=718&quantity=1&category_id=108&to=cart"
  [719]=>
  string(49) "product_id=719&quantity=1&category_id=108&to=cart"
}

array(2) {
  [718]=>
  string(49) "product_id=718&quantity=1&category_id=108&to=cart"
  [719]=>
  string(49) "product_id=719&quantity=1&category_id=108&to=cart"
}