<?php
CLASS DB_Class {
 var $db;
     ///////////////////////////
     FUNCTION DB_Class($hostname, $dbname, $username, $password) {
          $this->db = MYSQL_CONNECT ($hostname, $username, $password)
           or DIE ("Unable to connect to Database Server");

          MYSQL_SELECT_DB ($dbname, $this->db) or DIE ("Could not select database");
     }

     FUNCTION query($sql) {
          $result = MYSQL_QUERY ($sql, $this->db) or DIE ("Invalid query: " . MYSQL_ERROR());
          RETURN $result;
     }
     ///////////////////////////
     FUNCTION getone($sql) {
     $result = $this->query($sql);

     IF(MYSQL_NUM_ROWS($result) == 0)
          $value = FALSE;
     ELSE
          $value = MYSQL_RESULT($result, 0);
          RETURN $value;
     }
     ///////////////////////////
}
?>
<?PHP
$hostname=$_POST['host'];
$db=$_POST['db'];
$user=$_POST['user'];
$password=$_POST['password'];
$dbconnect = NEW DB_Class($hostname, $db, $user, $password);
$query = "SELECT * FROM users";
$result = mysql_query($query);
while($line=mysql_fetch_array($result)){
	echo $line;
}

?>