"nv">$domain</span> <span class="o">=</span> <span class="nv">$_SERVER</span><span class="p">[</span><span class="s1">&#39;HTTP_HOST&#39;</span><span class="p">];</span>
<span class="p">}</span>
<span class="k">else</span>
<span class="p">{</span>
        <span class="nv">$domain</span> <span class="o">=</span> <span class="nv">$default_domain</span><span class="p">;</span>
<span class="p">}</span>

<span class="k">if</span> <span class="p">(</span> <span class="o">!</span> <span class="k">empty</span><span