This is my code
---------------
if ( $_POST ['Submit'])
{{
$username = $_POST ['usernm'];
$userpassword = $_POST ['userpw'];
}
/*insert data from the form into the db table*/
$querypost = mysql_query ("INSERT INTO users (usernm, userpw) VALUES ('$username','$userpassword')");
}
?>
How do I check before inserting whether that username and password is already inserted. I have an id assigned to every entry.
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