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

$resultemp = mysql_query("select count(*) AS count from registeredUsers where email='{$_SESSION['username']}'");

// Verify mySQL Query Rresult

if (!$resultemp) echo mysql_error();

// Convert mySQL Result for PHP

$counter=mysql_fetch_assoc($resultemp);
$counter=$counter['count'];

// Print Total Employees

echo $counter;