sly deprecated SHA1 library has been removed, alter your code to use PHP’s native
<code class="docutils literal"><span class="pre">sha1()</span></code> function to generate a SHA1 hash.</p>
<p>Additionally, the <code class="docutils literal"><span class="pre">sha1()</span></code> method in the <a class="reference internal" href="../libraries/encrypt.html"><span class="doc">Encrypt Library</span></a> has been removed.</p>
</div>
<div class="section" id="the-ext-constant">
<h3>The EXT constant<a class="head