<?php
$HSTNAME = "127.0.0.1";
$USRNAME = "jcmcclurg";
$PSWORD = "";

$DBNAME = "test";

// Attempt to establish a link with an sql database using the credentials
// and database name supplied above.  The @ suppresses any errors that
// might appear.  We print these errors out later with the mysql_error()
// function call.
$credentialCheck = @mysql_connect($HSTNAME,$USRNAME,$PSWORD);
$dbNameCheck = @mysql_select_db($DBNAME);

if($credentialCheck && $dbNameCheck)
{
}
else
{
   echo("Invalid credentials:<br>");
   echo(mysql_error());
   die;
}
?>