<?php
$conn = oci_connect("hr", "hrpwd", "localhost/XE");
echo "Server Version: " . oci_server_version($conn);
// Displays:
// Server Version: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
// With the Partitioning, OLAP, Data Mining and Real Application Testing option
oci_close($conn);
?>