How to use php array with sql IN operator?

Question

I have and array with two values and I want to use it with sql IN operator in select query.

Here is the structure of my table

id comp_id
1   2
2   3
         


        

Answer 1

you can only pass string to mysql as query, so try this

mysql_query("SELECT * FROM table WHERE comp_id IN (".implode(',',$arr).")");