aries/form_validation.html"><span class="doc">form validation</span></a> rules.</p>
<p>Because the <a class="reference internal" href="../libraries/form_validation.html"><span class="doc">Form Validation library</span></a>
generally validates <em>input</em> data, the ‘xss_clean’ rule simply doesn’t
belong in it.</p>
<p>If you really, really need to apply that rule, you should now also load the
<a class="reference internal" href="../helpers/security_helper.html"><span class="doc">Security Helper</span>