;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$output</span><span style="color: #007700">=</span><span style="color: #0000BB">$purifier</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">purify</span><span style="color: #007700">(</span><span style="color: #0000BB">$output</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">parent</span><span style="color: #007700">::</