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

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

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

require_once("MsSetup.inc");

$conn = new PDO("sqlsrv:server = $server; driver=$driver;", $uid, $pwd);
if ($conn === false) {
    die("skip Could not connect during SKIPIF.");
}

$msodbcsql_ver = $conn->getAttribute(PDO::ATTR_CLIENT_VERSION)["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 = $conn->query("SELECT @@VERSION");
    if ($stmt) {
        $ver_string = $stmt->fetch(PDO::FETCH_NUM)[0];
    } else {
        die("skip Could not fetch SQL Server version during SKIPIF.");
    }

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

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