How to get the result of a select count(*) query in PHP?

Question

I have this query to use in PHP:

mysql_query(\"select count(*) from registeredUsers where email=\".$_SESSION[\"username\"]);

When I use e

Answer 1

You need single quotes around the session variable in your query

$result = mysql_query("SELECT COUNT(*) 
                       FROM registeredUsers 
                       WHERE email = '".$_SESSION['username']."' ");