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<h1>Cookie Helper<a class="headerlink" href="#cookie-helper" title="Permalink to this headline"></a></h1>
<p>The Cookie Helper file contains functions that assist in working with
cookies.</p>
<div class="contents local topic" id="contents">
<ul class="simple">
<li><a class="reference internal" href="#loading-this-helper" id="id1">Loading this Helper</a></li>
<li><a class="reference internal" href="#available-functions" id="id2">Available Functions</a></li>
</ul>
</div>
<div class="custom-index container"></div><div class="section" id="loading-this-helper">
<h2><a class="toc-backref" href="#id1">Loading this Helper</a><a class="headerlink" href="#loading-this-helper" title="Permalink to this headline"></a></h2>
<p>This helper is loaded using the following code:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">helper</span><span class="p">(</span><span class="s1">&#39;cookie&#39;</span><span class="p">);</span>
</pre></div>
</div>
</div>
<div class="section" id="available-functions">
<h2><a class="toc-backref" href="#id2">Available Functions</a><a class="headerlink" href="#available-functions" title="Permalink to this headline"></a></h2>
<p>The following functions are available:</p>
<dl class="function">
<dt id="set_cookie">
<code class="descname">set_cookie</code><span class="sig-paren">(</span><em>$name</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$expire = ''</em><span class="optional">[</span>, <em>$domain = ''</em><span class="optional">[</span>, <em>$path = '/'</em><span class="optional">[</span>, <em>$prefix = ''</em><span class="optional">[</span>, <em>$secure = NULL</em><span class="optional">[</span>, <em>$httponly = NULL</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#set_cookie" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>$name</strong> (<em>mixed</em>) Cookie name <em>or</em> associative array of all of the parameters available to this function</li>
<li><strong>$value</strong> (<em>string</em>) Cookie value</li>
<li><strong>$expire</strong> (<em>int</em>) Number of seconds until expiration</li>
<li><strong>$domain</strong> (<em>string</em>) Cookie domain (usually: .yourdomain.com)</li>
<li><strong>$path</strong> (<em>string</em>) Cookie path</li>
<li><strong>$prefix</strong> (<em>string</em>) Cookie name prefix</li>
<li><strong>$secure</strong> (<em>bool</em>) Whether to only send the cookie through HTTPS</li>
<li><strong>$httponly</strong> (<em>bool</em>) Whether to hide the cookie from JavaScript</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">void</p>
</td>
</tr>
</tbody>
</table>
<p>This helper function gives you friendlier syntax to set browser
cookies. Refer to the <a class="reference internal" href="../libraries/input.html"><span class="doc">Input Library</span></a> for
a description of its use, as this function is an alias for
<code class="docutils literal"><span class="pre">CI_Input::set_cookie()</span></code>.</p>
</dd></dl>
<dl class="function">
<dt id="get_cookie">
<code class="descname">get_cookie</code><span class="sig-paren">(</span><em>$index</em><span class="optional">[</span>, <em>$xss_clean = NULL</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#get_cookie" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>$index</strong> (<em>string</em>) Cookie name</li>
<li><strong>$xss_clean</strong> (<em>bool</em>) Whether to apply XSS filtering to the returned value</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The cookie value or NULL if not found</p>
</td>
</tr>
<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">mixed</p>
</td>
</tr>
</tbody>
</table>
<p>This helper function gives you friendlier syntax to get browser
cookies. Refer to the <a class="reference internal" href="../libraries/input.html"><span class="doc">Input Library</span></a> for
detailed description of its use, as this function acts very
similarly to <code class="docutils literal"><span class="pre">CI_Input::cookie()</span></code>, except it will also prepend
the <code class="docutils literal"><span class="pre">$config['cookie_prefix']</span></code> that you mightve set in your
<em>application/config/config.php</em> file.</p>
</dd></dl>
<dl class="function">
<dt id="delete_cookie">
<code class="descname">delete_cookie</code><span class="sig-paren">(</span><em>$name</em><span class="optional">[</span>, <em>$domain = ''</em><span class="optional">[</span>, <em>$path = '/'</em><span class="optional">[</span>, <em>$prefix = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#delete_cookie" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>$name</strong> (<em>string</em>) Cookie name</li>
<li><strong>$domain</strong> (<em>string</em>) Cookie domain (usually: .yourdomain.com)</li>
<li><strong>$path</strong> (<em>string</em>) Cookie path</li>
<li><strong>$prefix</strong> (<em>string</em>) Cookie name prefix</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">void</p>
</td>
</tr>
</tbody>
</table>
<p>Lets you delete a cookie. Unless youve set a custom path or other
values, only the name of the cookie is needed.</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">delete_cookie</span><span class="p">(</span><span class="s1">&#39;name&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>This function is otherwise identical to <code class="docutils literal"><span class="pre">set_cookie()</span></code>, except that it
does not have the value and expiration parameters. You can submit an
array of values in the first parameter or you can set discrete
parameters.</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">delete_cookie</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$domain</span><span class="p">,</span> <span class="nv">$path</span><span class="p">,</span> <span class="nv">$prefix</span><span class="p">);</span>
</pre></div>
</div>
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