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authorAndrey Andreev <narf@devilix.net>2018-01-13 12:57:11 +0100
committerAndrey Andreev <narf@devilix.net>2018-01-13 12:57:11 +0100
commit02a0518e1c56ba3506f370362ac5ebdb8a138312 (patch)
tree8b4684192b403dcae17d298eb4fc9e7ab001acad /user_guide/libraries/zip.html
parentf0b9735d5857e6c07c8f5824b13cff4828db3cfe (diff)
[ci skip] 3.1.7 release
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+<li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="benchmark.html">Benchmarking Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="caching.html">Caching Driver</a></li>
+<li class="toctree-l2"><a class="reference internal" href="calendar.html">Calendaring Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="cart.html">Shopping Cart Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="encrypt.html">Encrypt Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="encryption.html">Encryption Library</a></li>
+<li class="toctree-l2"><a class="reference internal" href="file_uploading.html">File Uploading Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="form_validation.html">Form Validation</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ftp.html">FTP Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="image_lib.html">Image Manipulation Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="typography.html">Typography Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="unit_testing.html">Unit Testing Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="uri.html">URI Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="user_agent.html">User Agent Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Zip Encoding Class</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
+</ul>
+</li>
+</ul>
+
+
+
+ </div>
+ &nbsp;
+ </nav>
+
+ <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
+
+
+ <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
+ <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
+ <a href="../index.html">CodeIgniter</a>
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+ <li><a href="../index.html">Docs</a> &raquo;</li>
+
+ <li><a href="index.html">Libraries</a> &raquo;</li>
+
+ <li>Zip Encoding Class</li>
+ <li class="wy-breadcrumbs-aside">
+
+ </li>
+ <div style="float:right;margin-left:5px;" id="closeMe">
+ <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" />
+ </div>
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+ <hr/>
+</div>
+ <div role="main" class="document">
+
+ <div class="section" id="zip-encoding-class">
+<h1>Zip Encoding Class<a class="headerlink" href="#zip-encoding-class" title="Permalink to this headline">¶</a></h1>
+<p>CodeIgniter’s Zip Encoding Class permits you to create Zip archives.
+Archives can be downloaded to your desktop or saved to a directory.</p>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#using-the-zip-encoding-class" id="id1">Using the Zip Encoding Class</a><ul>
+<li><a class="reference internal" href="#initializing-the-class" id="id2">Initializing the Class</a></li>
+<li><a class="reference internal" href="#usage-example" id="id3">Usage Example</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#class-reference" id="id4">Class Reference</a></li>
+</ul>
+</div>
+<div class="custom-index container"></div><div class="section" id="using-the-zip-encoding-class">
+<h2><a class="toc-backref" href="#id1">Using the Zip Encoding Class</a><a class="headerlink" href="#using-the-zip-encoding-class" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="initializing-the-class">
+<h3><a class="toc-backref" href="#id2">Initializing the Class</a><a class="headerlink" href="#initializing-the-class" title="Permalink to this headline">¶</a></h3>
+<p>Like most other classes in CodeIgniter, the Zip class is initialized in
+your controller using the $this-&gt;load-&gt;library function:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">library</span><span class="p">(</span><span class="s1">&#39;zip&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>Once loaded, the Zip library object will be available using:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="usage-example">
+<h3><a class="toc-backref" href="#id3">Usage Example</a><a class="headerlink" href="#usage-example" title="Permalink to this headline">¶</a></h3>
+<p>This example demonstrates how to compress a file, save it to a folder on
+your server, and download it to your desktop.</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$name</span> <span class="o">=</span> <span class="s1">&#39;mydata1.txt&#39;</span><span class="p">;</span>
+<span class="nv">$data</span> <span class="o">=</span> <span class="s1">&#39;A Data String!&#39;</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">add_data</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+
+<span class="c1">// Write the zip file to a folder on your server. Name it &quot;my_backup.zip&quot;</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">archive</span><span class="p">(</span><span class="s1">&#39;/path/to/directory/my_backup.zip&#39;</span><span class="p">);</span>
+
+<span class="c1">// Download the file to your desktop. Name it &quot;my_backup.zip&quot;</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">download</span><span class="p">(</span><span class="s1">&#39;my_backup.zip&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+</div>
+<div class="section" id="class-reference">
+<h2><a class="toc-backref" href="#id4">Class Reference</a><a class="headerlink" href="#class-reference" title="Permalink to this headline">¶</a></h2>
+<dl class="class">
+<dt id="CI_Zip">
+<em class="property">class </em><code class="descname">CI_Zip</code><a class="headerlink" href="#CI_Zip" title="Permalink to this definition">¶</a></dt>
+<dd><dl class="attribute">
+<dt>
+<code class="descname">$compression_level = 2</code></dt>
+<dd><p>The compression level to use.</p>
+<p>It can range from 0 to 9, with 9 being the highest and 0 effectively disabling compression:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">compression_level</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Zip::add_data">
+<code class="descname">add_data</code><span class="sig-paren">(</span><em>$filepath</em><span class="optional">[</span>, <em>$data = NULL</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Zip::add_data" 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>$filepath</strong> (<em>mixed</em>) – A single file path or an array of file =&gt; data pairs</li>
+<li><strong>$data</strong> (<em>array</em>) – File contents (ignored if $filepath is an array)</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">void</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Adds data to the Zip archive. Can work both in single and multiple files mode.</p>
+<p>When adding a single file, the first parameter must contain the name you would
+like given to the file and the second must contain the file contents:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$name</span> <span class="o">=</span> <span class="s1">&#39;mydata1.txt&#39;</span><span class="p">;</span>
+<span class="nv">$data</span> <span class="o">=</span> <span class="s1">&#39;A Data String!&#39;</span><span class="p">;</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">add_data</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+
+<span class="nv">$name</span> <span class="o">=</span> <span class="s1">&#39;mydata2.txt&#39;</span><span class="p">;</span>
+<span class="nv">$data</span> <span class="o">=</span> <span class="s1">&#39;Another Data String!&#39;</span><span class="p">;</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">add_data</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>When adding multiple files, the first parameter must contain <em>file =&gt; contents</em> pairs
+and the second parameter is ignored:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
+ <span class="s1">&#39;mydata1.txt&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;A Data String!&#39;</span><span class="p">,</span>
+ <span class="s1">&#39;mydata2.txt&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Another Data String!&#39;</span>
+<span class="p">);</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">add_data</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>If you would like your compressed data organized into sub-directories, simply include
+the path as part of the filename(s):</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$name</span> <span class="o">=</span> <span class="s1">&#39;personal/my_bio.txt&#39;</span><span class="p">;</span>
+<span class="nv">$data</span> <span class="o">=</span> <span class="s1">&#39;I was born in an elevator...&#39;</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">add_data</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>The above example will place my_bio.txt inside a folder called personal.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Zip::add_dir">
+<code class="descname">add_dir</code><span class="sig-paren">(</span><em>$directory</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Zip::add_dir" 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>$directory</strong> (<em>mixed</em>) – Directory name string or an array of multiple directories</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">void</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Permits you to add a directory. Usually this method is unnecessary since you can place
+your data into directories when using <code class="docutils literal"><span class="pre">$this-&gt;zip-&gt;add_data()</span></code>, but if you would like
+to create an empty directory you can do so:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">add_dir</span><span class="p">(</span><span class="s1">&#39;myfolder&#39;</span><span class="p">);</span> <span class="c1">// Creates a directory called &quot;myfolder&quot;</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Zip::read_file">
+<code class="descname">read_file</code><span class="sig-paren">(</span><em>$path</em><span class="optional">[</span>, <em>$archive_filepath = FALSE</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Zip::read_file" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$path</strong> (<em>string</em>) – Path to file</li>
+<li><strong>$archive_filepath</strong> (<em>mixed</em>) – New file name/path (string) or (boolean) whether to maintain the original filepath</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE on success, FALSE on failure</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Permits you to compress a file that already exists somewhere on your server.
+Supply a file path and the zip class will read it and add it to the archive:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$path</span> <span class="o">=</span> <span class="s1">&#39;/path/to/photo.jpg&#39;</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">read_file</span><span class="p">(</span><span class="nv">$path</span><span class="p">);</span>
+
+<span class="c1">// Download the file to your desktop. Name it &quot;my_backup.zip&quot;</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">download</span><span class="p">(</span><span class="s1">&#39;my_backup.zip&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>If you would like the Zip archive to maintain the directory structure of
+the file in it, pass TRUE (boolean) in the second parameter. Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$path</span> <span class="o">=</span> <span class="s1">&#39;/path/to/photo.jpg&#39;</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">read_file</span><span class="p">(</span><span class="nv">$path</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span>
+
+<span class="c1">// Download the file to your desktop. Name it &quot;my_backup.zip&quot;</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">download</span><span class="p">(</span><span class="s1">&#39;my_backup.zip&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>In the above example, photo.jpg will be placed into the <em>path/to/</em> directory.</p>
+<p>You can also specify a new name (path included) for the added file on the fly:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$path</span> <span class="o">=</span> <span class="s1">&#39;/path/to/photo.jpg&#39;</span><span class="p">;</span>
+<span class="nv">$new_path</span> <span class="o">=</span> <span class="s1">&#39;/new/path/some_photo.jpg&#39;</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">read_file</span><span class="p">(</span><span class="nv">$path</span><span class="p">,</span> <span class="nv">$new_path</span><span class="p">);</span>
+
+<span class="c1">// Download ZIP archive containing /new/path/some_photo.jpg</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">download</span><span class="p">(</span><span class="s1">&#39;my_archive.zip&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Zip::read_dir">
+<code class="descname">read_dir</code><span class="sig-paren">(</span><em>$path</em><span class="optional">[</span>, <em>$preserve_filepath = TRUE</em><span class="optional">[</span>, <em>$root_path = NULL</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Zip::read_dir" 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>$path</strong> (<em>string</em>) – Path to directory</li>
+<li><strong>$preserve_filepath</strong> (<em>bool</em>) – Whether to maintain the original path</li>
+<li><strong>$root_path</strong> (<em>string</em>) – Part of the path to exclude from the archive directory</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE on success, FALSE on failure</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Permits you to compress a directory (and its contents) that already exists somewhere on your server.
+Supply a path to the directory and the zip class will recursively read and recreate it as a Zip archive.
+All files contained within the supplied path will be encoded, as will any sub-directories contained within it. Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$path</span> <span class="o">=</span> <span class="s1">&#39;/path/to/your/directory/&#39;</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">read_dir</span><span class="p">(</span><span class="nv">$path</span><span class="p">);</span>
+
+<span class="c1">// Download the file to your desktop. Name it &quot;my_backup.zip&quot;</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">download</span><span class="p">(</span><span class="s1">&#39;my_backup.zip&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>By default the Zip archive will place all directories listed in the first parameter
+inside the zip. If you want the tree preceding the target directory to be ignored,
+you can pass FALSE (boolean) in the second parameter. Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$path</span> <span class="o">=</span> <span class="s1">&#39;/path/to/your/directory/&#39;</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">read_dir</span><span class="p">(</span><span class="nv">$path</span><span class="p">,</span> <span class="k">FALSE</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>This will create a ZIP with a directory named “directory” inside, then all sub-directories
+stored correctly inside that, but will not include the <em>/path/to/your</em> part of the path.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Zip::archive">
+<code class="descname">archive</code><span class="sig-paren">(</span><em>$filepath</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Zip::archive" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$filepath</strong> (<em>string</em>) – Path to target zip archive</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE on success, FALSE on failure</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Writes the Zip-encoded file to a directory on your server. Submit a valid server path
+ending in the file name. Make sure the directory is writable (755 is usually OK).
+Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">archive</span><span class="p">(</span><span class="s1">&#39;/path/to/folder/myarchive.zip&#39;</span><span class="p">);</span> <span class="c1">// Creates a file named myarchive.zip</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Zip::download">
+<code class="descname">download</code><span class="sig-paren">(</span><em>$filename = 'backup.zip'</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Zip::download" 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>$filename</strong> (<em>string</em>) – Archive file name</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">void</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Causes the Zip file to be downloaded from your server.
+You must pass the name you would like the zip file called. Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">download</span><span class="p">(</span><span class="s1">&#39;latest_stuff.zip&#39;</span><span class="p">);</span> <span class="c1">// File will be named &quot;latest_stuff.zip&quot;</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">Do not display any data in the controller in which you call
+this method since it sends various server headers that cause the
+download to happen and the file to be treated as binary.</p>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Zip::get_zip">
+<code class="descname">get_zip</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Zip::get_zip" 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">Returns:</th><td class="field-body">Zip file content</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">string</td>
+</tr>
+</tbody>
+</table>
+<p>Returns the Zip-compressed file data. Generally you will not need this method unless you
+want to do something unique with the data. Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$name</span> <span class="o">=</span> <span class="s1">&#39;my_bio.txt&#39;</span><span class="p">;</span>
+<span class="nv">$data</span> <span class="o">=</span> <span class="s1">&#39;I was born in an elevator...&#39;</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">add_data</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+
+<span class="nv">$zip_file</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">get_zip</span><span class="p">();</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Zip::clear_data">
+<code class="descname">clear_data</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Zip::clear_data" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body">void</td>
+</tr>
+</tbody>
+</table>
+<p>The Zip class caches your zip data so that it doesn’t need to recompile the Zip archive
+for each method you use above. If, however, you need to create multiple Zip archives,
+each with different data, you can clear the cache between calls. Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$name</span> <span class="o">=</span> <span class="s1">&#39;my_bio.txt&#39;</span><span class="p">;</span>
+<span class="nv">$data</span> <span class="o">=</span> <span class="s1">&#39;I was born in an elevator...&#39;</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">add_data</span><span class="p">(</span><span class="nv">$name</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+<span class="nv">$zip_file</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">get_zip</span><span class="p">();</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">clear_data</span><span class="p">();</span>
+
+<span class="nv">$name</span> <span class="o">=</span> <span class="s1">&#39;photo.jpg&#39;</span><span class="p">;</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">read_file</span><span class="p">(</span><span class="s2">&quot;/path/to/photo.jpg&quot;</span><span class="p">);</span> <span class="c1">// Read the file&#39;s contents</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">zip</span><span class="o">-&gt;</span><span class="na">download</span><span class="p">(</span><span class="s1">&#39;myphotos.zip&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd></dl>
+
+</dd></dl>
+
+</div>
+</div>
+
+
+ </div>
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