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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/uri.html
parentf0b9735d5857e6c07c8f5824b13cff4828db3cfe (diff)
[ci skip] 3.1.7 release
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+<li class="toctree-l2"><a class="reference internal" href="../overview/goals.html">Architectural Goals</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../tutorial/create_news_items.html">Create news items</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
+</ul>
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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>
+<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
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+<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>
+</ul>
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+<li class="toctree-l1 current"><a class="reference internal" href="index.html">Libraries</a><ul class="current">
+<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>
+<li class="toctree-l2"><a class="reference internal" href="config.html">Config 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>
+<li class="toctree-l2"><a class="reference internal" href="input.html">Input Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="javascript.html">Javascript Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="language.html">Language Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="output.html">Output Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="parser.html">Template Parser Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="security.html">Security Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="sessions.html">Session Library</a></li>
+<li class="toctree-l2"><a class="reference internal" href="table.html">HTML Table Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="trackback.html">Trackback Class</a></li>
+<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 current"><a class="current reference internal" href="#">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"><a class="reference internal" href="zip.html">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>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
+<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>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
+<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">
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+ <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>URI 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="uri-class">
+<h1>URI Class<a class="headerlink" href="#uri-class" title="Permalink to this headline">¶</a></h1>
+<p>The URI Class provides methods that help you retrieve information from
+your URI strings. If you use URI routing, you can also retrieve
+information about the re-routed segments.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">This class is initialized automatically by the system so there
+is no need to do it manually.</p>
+</div>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#class-reference" id="id1">Class Reference</a></li>
+</ul>
+</div>
+<div class="custom-index container"></div><div class="section" id="class-reference">
+<h2><a class="toc-backref" href="#id1">Class Reference</a><a class="headerlink" href="#class-reference" title="Permalink to this headline">¶</a></h2>
+<dl class="class">
+<dt id="CI_URI">
+<em class="property">class </em><code class="descname">CI_URI</code><a class="headerlink" href="#CI_URI" title="Permalink to this definition">¶</a></dt>
+<dd><dl class="method">
+<dt id="CI_URI::segment">
+<code class="descname">segment</code><span class="sig-paren">(</span><em>$n</em><span class="optional">[</span>, <em>$no_result = NULL</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::segment" 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>$n</strong> (<em>int</em>) – Segment index number</li>
+<li><strong>$no_result</strong> (<em>mixed</em>) – What to return if the searched segment is not found</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Segment value or $no_result value if not found</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">mixed</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Permits you to retrieve a specific segment. Where n is the segment
+number you wish to retrieve. Segments are numbered from left to right.
+For example, if your full URL is this:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">http</span><span class="o">://</span><span class="nx">example</span><span class="o">.</span><span class="nx">com</span><span class="o">/</span><span class="nx">index</span><span class="o">.</span><span class="nx">php</span><span class="o">/</span><span class="nx">news</span><span class="o">/</span><span class="nx">local</span><span class="o">/</span><span class="nx">metro</span><span class="o">/</span><span class="nx">crime_is_up</span>
+</pre></div>
+</div>
+<p>The segment numbers would be this:</p>
+<ol class="arabic simple">
+<li>news</li>
+<li>local</li>
+<li>metro</li>
+<li>crime_is_up</li>
+</ol>
+<p>The optional second parameter defaults to NULL and allows you to set the return value
+of this method when the requested URI segment is missing.
+For example, this would tell the method to return the number zero in the event of failure:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$product_id</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">segment</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>It helps avoid having to write code like this:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">segment</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span> <span class="o">===</span> <span class="k">FALSE</span><span class="p">)</span>
+<span class="p">{</span>
+ <span class="nv">$product_id</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
+<span class="p">}</span>
+<span class="k">else</span>
+<span class="p">{</span>
+ <span class="nv">$product_id</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">segment</span><span class="p">(</span><span class="mi">3</span><span class="p">);</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::rsegment">
+<code class="descname">rsegment</code><span class="sig-paren">(</span><em>$n</em><span class="optional">[</span>, <em>$no_result = NULL</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::rsegment" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$n</strong> (<em>int</em>) – Segment index number</li>
+<li><strong>$no_result</strong> (<em>mixed</em>) – What to return if the searched segment is not found</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Routed segment value or $no_result value if not found</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">mixed</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>This method is identical to <code class="docutils literal"><span class="pre">segment()</span></code>, except that it lets you retrieve
+a specific segment from your re-routed URI in the event you are
+using CodeIgniter’s <a class="reference internal" href="../general/routing.html"><span class="doc">URI Routing</span></a> feature.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::slash_segment">
+<code class="descname">slash_segment</code><span class="sig-paren">(</span><em>$n</em><span class="optional">[</span>, <em>$where = 'trailing'</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::slash_segment" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$n</strong> (<em>int</em>) – Segment index number</li>
+<li><strong>$where</strong> (<em>string</em>) – Where to add the slash (‘trailing’ or ‘leading’)</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Segment value, prepended/suffixed with a forward slash, or a slash if not found</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>This method is almost identical to <code class="docutils literal"><span class="pre">segment()</span></code>, except it
+adds a trailing and/or leading slash based on the second parameter.
+If the parameter is not used, a trailing slash added. Examples:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">slash_segment</span><span class="p">(</span><span class="mi">3</span><span class="p">);</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">slash_segment</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="s1">&#39;leading&#39;</span><span class="p">);</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">slash_segment</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="s1">&#39;both&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>Returns:</p>
+<ol class="arabic simple">
+<li>segment/</li>
+<li>/segment</li>
+<li>/segment/</li>
+</ol>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::slash_rsegment">
+<code class="descname">slash_rsegment</code><span class="sig-paren">(</span><em>$n</em><span class="optional">[</span>, <em>$where = 'trailing'</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::slash_rsegment" 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>$n</strong> (<em>int</em>) – Segment index number</li>
+<li><strong>$where</strong> (<em>string</em>) – Where to add the slash (‘trailing’ or ‘leading’)</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Routed segment value, prepended/suffixed with a forward slash, or a slash 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">string</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>This method is identical to <code class="docutils literal"><span class="pre">slash_segment()</span></code>, except that it lets you
+add slashes a specific segment from your re-routed URI in the event you
+are using CodeIgniter’s <a class="reference internal" href="../general/routing.html"><span class="doc">URI Routing</span></a>
+feature.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::uri_to_assoc">
+<code class="descname">uri_to_assoc</code><span class="sig-paren">(</span><span class="optional">[</span><em>$n = 3</em><span class="optional">[</span>, <em>$default = array()</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::uri_to_assoc" 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>$n</strong> (<em>int</em>) – Segment index number</li>
+<li><strong>$default</strong> (<em>array</em>) – Default values</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Associative URI segments array</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>This method lets you turn URI segments into an associative array of
+key/value pairs. Consider this URI:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">index</span><span class="o">.</span><span class="nx">php</span><span class="o">/</span><span class="nx">user</span><span class="o">/</span><span class="nx">search</span><span class="o">/</span><span class="nx">name</span><span class="o">/</span><span class="nx">joe</span><span class="o">/</span><span class="nx">location</span><span class="o">/</span><span class="nx">UK</span><span class="o">/</span><span class="nx">gender</span><span class="o">/</span><span class="nx">male</span>
+</pre></div>
+</div>
+<p>Using this method you can turn the URI into an associative array with
+this prototype:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="p">[</span><span class="k">array</span><span class="p">]</span>
+<span class="p">(</span>
+ <span class="s1">&#39;name&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;joe&#39;</span>
+ <span class="s1">&#39;location&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;UK&#39;</span>
+ <span class="s1">&#39;gender&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;male&#39;</span>
+<span class="p">)</span>
+</pre></div>
+</div>
+<p>The first parameter lets you set an offset, which defaults to 3 since your
+URI will normally contain a controller/method pair in the first and second segments.
+Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$array</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">uri_to_assoc</span><span class="p">(</span><span class="mi">3</span><span class="p">);</span>
+<span class="k">echo</span> <span class="nv">$array</span><span class="p">[</span><span class="s1">&#39;name&#39;</span><span class="p">];</span>
+</pre></div>
+</div>
+<p>The second parameter lets you set default key names, so that the array
+returned will always contain expected indexes, even if missing from the URI.
+Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$default</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="s1">&#39;name&#39;</span><span class="p">,</span> <span class="s1">&#39;gender&#39;</span><span class="p">,</span> <span class="s1">&#39;location&#39;</span><span class="p">,</span> <span class="s1">&#39;type&#39;</span><span class="p">,</span> <span class="s1">&#39;sort&#39;</span><span class="p">);</span>
+<span class="nv">$array</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">uri_to_assoc</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="nv">$default</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>If the URI does not contain a value in your default, an array index will
+be set to that name, with a value of NULL.</p>
+<p>Lastly, if a corresponding value is not found for a given key (if there
+is an odd number of URI segments) the value will be set to NULL.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::ruri_to_assoc">
+<code class="descname">ruri_to_assoc</code><span class="sig-paren">(</span><span class="optional">[</span><em>$n = 3</em><span class="optional">[</span>, <em>$default = array()</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::ruri_to_assoc" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$n</strong> (<em>int</em>) – Segment index number</li>
+<li><strong>$default</strong> (<em>array</em>) – Default values</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Associative routed URI segments array</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">array</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>This method is identical to <code class="docutils literal"><span class="pre">uri_to_assoc()</span></code>, except that it creates
+an associative array using the re-routed URI in the event you are using
+CodeIgniter’s <a class="reference internal" href="../general/routing.html"><span class="doc">URI Routing</span></a> feature.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::assoc_to_uri">
+<code class="descname">assoc_to_uri</code><span class="sig-paren">(</span><em>$array</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::assoc_to_uri" 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>$array</strong> (<em>array</em>) – Input array of key/value pairs</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">URI string</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Takes an associative array as input and generates a URI string from it.
+The array keys will be included in the string. Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$array</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="s1">&#39;product&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;shoes&#39;</span><span class="p">,</span> <span class="s1">&#39;size&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;large&#39;</span><span class="p">,</span> <span class="s1">&#39;color&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;red&#39;</span><span class="p">);</span>
+<span class="nv">$str</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">assoc_to_uri</span><span class="p">(</span><span class="nv">$array</span><span class="p">);</span>
+
+<span class="c1">// Produces: product/shoes/size/large/color/red</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::uri_string">
+<code class="descname">uri_string</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::uri_string" 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">URI string</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 a string with the complete URI. For example, if this is your full URL:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">http</span><span class="o">://</span><span class="nx">example</span><span class="o">.</span><span class="nx">com</span><span class="o">/</span><span class="nx">index</span><span class="o">.</span><span class="nx">php</span><span class="o">/</span><span class="nx">news</span><span class="o">/</span><span class="nx">local</span><span class="o">/</span><span class="mi">345</span>
+</pre></div>
+</div>
+<p>The method would return this:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">news</span><span class="o">/</span><span class="nx">local</span><span class="o">/</span><span class="mi">345</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::ruri_string">
+<code class="descname">ruri_string</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::ruri_string" 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">Routed URI string</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">string</td>
+</tr>
+</tbody>
+</table>
+<p>This method is identical to <code class="docutils literal"><span class="pre">uri_string()</span></code>, except that it returns
+the re-routed URI in the event you are using CodeIgniter’s <a class="reference internal" href="../general/routing.html"><span class="doc">URI
+Routing</span></a> feature.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::total_segments">
+<code class="descname">total_segments</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::total_segments" 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">Count of URI segments</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">int</td>
+</tr>
+</tbody>
+</table>
+<p>Returns the total number of segments.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::total_rsegments">
+<code class="descname">total_rsegments</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::total_rsegments" 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">Count of routed URI segments</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">int</td>
+</tr>
+</tbody>
+</table>
+<p>This method is identical to <code class="docutils literal"><span class="pre">total_segments()</span></code>, except that it returns
+the total number of segments in your re-routed URI in the event you are
+using CodeIgniter’s <a class="reference internal" href="../general/routing.html"><span class="doc">URI Routing</span></a> feature.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::segment_array">
+<code class="descname">segment_array</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::segment_array" 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">URI segments array</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">array</td>
+</tr>
+</tbody>
+</table>
+<p>Returns an array containing the URI segments. For example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$segs</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">uri</span><span class="o">-&gt;</span><span class="na">segment_array</span><span class="p">();</span>
+
+<span class="k">foreach</span> <span class="p">(</span><span class="nv">$segs</span> <span class="k">as</span> <span class="nv">$segment</span><span class="p">)</span>
+<span class="p">{</span>
+ <span class="k">echo</span> <span class="nv">$segment</span><span class="p">;</span>
+ <span class="k">echo</span> <span class="s1">&#39;&lt;br /&gt;&#39;</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_URI::rsegment_array">
+<code class="descname">rsegment_array</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_URI::rsegment_array" 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">Routed URI segments array</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">array</td>
+</tr>
+</tbody>
+</table>
+<p>This method is identical to <code class="docutils literal"><span class="pre">segment_array()</span></code>, except that it returns
+the array of segments in your re-routed URI in the event you are using
+CodeIgniter’s <a class="reference internal" href="../general/routing.html"><span class="doc">URI Routing</span></a> feature.</p>
+</dd></dl>
+
+</dd></dl>
+
+</div>
+</div>
+
+
+ </div>
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+
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+
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+ <p>
+ &copy; Copyright 2014 - 2018, British Columbia Institute of Technology.
+ Last updated on Jan 13, 2018.
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