<?php
// For connection resiliency, must check that 
// 1. Either SQL Server version is 2014 or greater, or using Azure;
// 2. Either running Windows, or ODBC driver 17.2 or greater on unix

if (!extension_loaded("sqlsrv")) {
    die("skip Extension not loaded");
}

$is_win = (strtoupper(substr(php_uname('s'),0,3)) === 'WIN');

require_once("MsSetup.inc");

$connectionInfo = array("UID"=>$userName, "PWD"=>$userPassword, "Driver" => $driver);

$conn = sqlsrv_connect($server, $connectionInfo);
if ($conn === false) {
    die("skip Could not connect during SKIPIF.");
}

$msodbcsql_ver = sqlsrv_client_info($conn)["DriverVer"];
$msodbcsql_maj = explode(".", $msodbcsql_ver)[0];
$msodbcsql_min = explode(".", $msodbcsql_ver)[1];

if (!$is_win) {
    if ($msodbcsql_maj < 17) {
        die("skip Unsupported ODBC driver version");
    } else {
        if ($msodbcsql_maj==17 && $msodbcsql_min < 2) {
            die("skip Unsupported ODBC driver version");
        }
    }
}

// Get SQL Server version
// Exclude this check if running on Azure
if (!$daasMode) {
    $stmt = sqlsrv_query($conn, "SELECT @@VERSION");
    if (sqlsrv_fetch($stmt)) {
        $ver_string = sqlsrv_get_field($stmt, 0);
    } else {
        die("skip Could not fetch SQL Server version.");
    }

    $version = explode(' ', $ver_string);

    if ($version[3] < '2014') {
        die("skip Wrong version of SQL Server, 2014 or later required");
    }
}
?>