title: Install MSSQL Using Composer
body: <p>I am migrating a Drupal site to another server and keep getting HTTP 500 error in the browser. When I investigate the PHP error log, I see that there is</p>
  
  <blockquote>
    <p>PHP Fatal error: Call to undefined function sqlsrv_connect()</p>
  </blockquote>
  
  <p>in one of  the files. I am on a Linux environment and have Composer installed. Is  there a way to install the mssql extension using the Composer? Alternatively, what is an efficient way to install MSSQL extension?</p>