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  <div class="section" id="directory-helper">
<h1>Directory Helper<a class="headerlink" href="#directory-helper" title="Permalink to this headline">¶</a></h1>
<p>The Directory Helper file contains functions that assist in working with
directories.</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">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">helper</span><span class="p">(</span><span class="s1">&#39;directory&#39;</span><span class="p">);</span>
</pre></div>
</div>
</div>
<div class="section" id="available-functions">
<h2><a class="toc-backref" href="#id2">Available Functions</a><a class="headerlink" href="#available-functions" title="Permalink to this headline">¶</a></h2>
<p>The following functions are available:</p>
<dl class="function">
<dt id="directory_map">
<code class="descname">directory_map</code><span class="sig-paren">(</span><em>$source_dir</em><span class="optional">[</span>, <em>$directory_depth = 0</em><span class="optional">[</span>, <em>$hidden = FALSE</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#directory_map" 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>$source_dir</strong> (<em>string</em>) – Path to the source directory</li>
<li><strong>$directory_depth</strong> (<em>int</em>) – Depth of directories to traverse (0 = fully recursive, 1 = current dir, etc)</li>
<li><strong>$hidden</strong> (<em>bool</em>) – Whether to include hidden directories</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An array of files</p>
</td>
</tr>
<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">array</p>
</td>
</tr>
</tbody>
</table>
<p>Examples:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$map</span> <span class="o">=</span> <span class="nx">directory_map</span><span class="p">(</span><span class="s1">&#39;./mydirectory/&#39;</span><span class="p">);</span>
</pre></div>
</div>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">Paths are almost always relative to your main index.php file.</p>
</div>
<p>Sub-folders contained within the directory will be mapped as well. If
you wish to control the recursion depth, you can do so using the second
parameter (integer). A depth of 1 will only map the top level directory:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$map</span> <span class="o">=</span> <span class="nx">directory_map</span><span class="p">(</span><span class="s1">&#39;./mydirectory/&#39;</span><span class="p">,</span> <span class="mi">1</span><span class="p">);</span>
</pre></div>
</div>
<p>By default, hidden files will not be included in the returned array. To
override this behavior, you may set a third parameter to true (boolean):</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$map</span> <span class="o">=</span> <span class="nx">directory_map</span><span class="p">(</span><span class="s1">&#39;./mydirectory/&#39;</span><span class="p">,</span> <span class="k">FALSE</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span>
</pre></div>
</div>
<p>Each folder name will be an array index, while its contained files will
be numerically indexed. Here is an example of a typical array:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">Array</span> <span class="p">(</span>
        <span class="p">[</span><span class="nx">libraries</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="k">Array</span>
                <span class="p">(</span>
                        <span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">benchmark</span><span class="o">.</span><span class="nx">html</span>
                        <span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">config</span><span class="o">.</span><span class="nx">html</span>
                        <span class="p">[</span><span class="s2">&quot;database/&quot;</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="k">Array</span>
                                <span class="p">(</span>
                                        <span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">query_builder</span><span class="o">.</span><span class="nx">html</span>
                                        <span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">binds</span><span class="o">.</span><span class="nx">html</span>
                                        <span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">configuration</span><span class="o">.</span><span class="nx">html</span>
                                        <span class="p">[</span><span class="mi">3</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">connecting</span><span class="o">.</span><span class="nx">html</span>
                                        <span class="p">[</span><span class="mi">4</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">examples</span><span class="o">.</span><span class="nx">html</span>
                                        <span class="p">[</span><span class="mi">5</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">fields</span><span class="o">.</span><span class="nx">html</span>
                                        <span class="p">[</span><span class="mi">6</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">index</span><span class="o">.</span><span class="nx">html</span>
                                        <span class="p">[</span><span class="mi">7</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">queries</span><span class="o">.</span><span class="nx">html</span>
                                <span class="p">)</span>
                        <span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">email</span><span class="o">.</span><span class="nx">html</span>
                        <span class="p">[</span><span class="mi">3</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">file_uploading</span><span class="o">.</span><span class="nx">html</span>
                        <span class="p">[</span><span class="mi">4</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">image_lib</span><span class="o">.</span><span class="nx">html</span>
                        <span class="p">[</span><span class="mi">5</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">input</span><span class="o">.</span><span class="nx">html</span>
                        <span class="p">[</span><span class="mi">6</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">language</span><span class="o">.</span><span class="nx">html</span>
                        <span class="p">[</span><span class="mi">7</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">loader</span><span class="o">.</span><span class="nx">html</span>
                        <span class="p">[</span><span class="mi">8</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">pagination</span><span class="o">.</span><span class="nx">html</span>
                        <span class="p">[</span><span class="mi">9</span><span class="p">]</span> <span class="o">=&gt;</span> <span class="nx">uri</span><span class="o">.</span><span class="nx">html</span>
                <span class="p">)</span>
</pre></div>
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