Db2 connect using ODBC parameters

gistfile1.php

<?php

$database = '';
$user = '';
$password = '';
$hostname = '';
$port = 446;

$conn_string = "DRIVER={IBM DB2 ODBC DRIVER};DATABASE=$database;".
"HOSTNAME=$hostname;PORT=$port;PROTOCOL=TCPIP;UID=$user;PWD=$password;";

$conn = db2_connect($conn_string, '', '');
if ($conn) {
	echo "Connection succeeded.\n";
} else {
	echo "ERROR: connection failed.\n";
	var_dump(db2_conn_errormsg());
}