test X

<?php

error_reporting(E_ALL);
ini_set('display_errors', 'On');

$username = "SYSTEM";                  // Use your username
$password = "pass";             // and your password
$database = "localhost/XE";   // and the connect string to connect to your database


$conn = oci_connect($username, $password, $database);
if (!$conn) {
    $m = oci_error();
    trigger_error(htmlentities($m['message']), E_USER_ERROR);
}

$sql = 'select * from dual';
$stid = oci_parse($conn, $sql);
$didbv = "user";
oci_execute($stid);

while (oci_fetch($stid)) {
    echo oci_result($stid, 'DUMMY') . " <<< TU MA BYC X ";
}

oci_free_statement($stid);
oci_close($conn);

?>