title: How to rewrite base64_encode from PHP to Swift 3 in iOS ?
body: <p>how to implement this code from <strong>PHP</strong> to <strong>iOS Swift 3</strong> ?</p>
  
  <pre><code>base64_encode("qywueifk85oflmvJ");
  </code></pre>
  
  <p>And result is something like this:  </p>
  
  <blockquote>
    <p>GJXIFSs5tA0LRmCANJS98g==</p>
  </blockquote>