span><span class="p">);</span>
</pre></div>
</div>
<p>You can optionally pass your encryption key via the second parameter if
you don’t want to use the one in your config file:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$msg</span> <span class="o">=</span> <span class="s1">&#39;My secret message&#39;</span><span class="p">;</span>
<span class="nv">$key</span> <span class="o">=</span> <span class="s1">&#39;super-secret-key&#39;</span><span class="p">;</span>

<s