$product_name="Do U Speak Green? - Tiger Stripes Men's Crew Neck T Shirt";
addslashes($product_name);
$farr=pg_query("select * from product where product_name='$product_name'");
while($row1=pg_fetch_array($farr))
{
$product_id=$row1['product_id'];
echo " - ".$product_id;
}