docker-php-extension-installer/scripts/tests/pdo_sqlsrv

#!/usr/bin/env php
<?php

error_reporting(-1);

set_error_handler(
    static function ($errno, $errstr, $errfile, $errline) {
        $msg = "Error {$errno}: {$errstr}\n";
        if ($errfile) {
            $msg .= "File: {$errfile}\n";
            if ($errline) {
                $msg .= "Line: {$errline}\n";
            }
        }
        fwrite(STDERR, $msg);
        exit(1);
    },
    -1
);

try {
    new PDO('sqlsrv:server=localhost; Authentication=SqlPassword; ConnectRetryCount=0; Database=example; LoginTimeout=1', 'userName', 'password');
} catch (PDOException $x) {
    if (stripos($x->getMessage(), 'This extension requires the Microsoft ODBC Driver for SQL Server') !== false) {
        fwrite(STDERR, trim($x->getMessage() . "\n"));
        exit(1);
    }
}