count and groupby together in one query

Question

The following query is fetching some product info on a page which is fine, but I also want to show the number of the product that it occurs as a text, however, I used grou

Answer 1

Your query won't work. Try like this;

 "SELECT pro_id,count(*) FROM cart  WHERE session_id='" . $_SESSION['session'] . "' GROUP BY 
  pro_id  "

Answer 2

Use this query:

"SELECT pro_id,count(pro_id) FROM cart  WHERE session_id='" . $_SESSION['session'] . "' GROUP BY pro_id  "