title: What is the php function 'use' doing?
body: <p>I am trying to install a github php script. To use the script, it says to use the function 'use', like this:</p>
  <pre><code>&lt;?php
  use PHPMailer\PHPMailer\PHPMailer;
  require 'path/to/PHPMailer/src/Exception.php';
  </code></pre>
  <p>What is the function 'use'? I have try finding for this without any success. I even get &quot;use doesn't exist. Closest matches:&quot; in php.net search.</p>
  <p>Can somemone help?</p>
  <p>Thank you</p>