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authorAndrey Andreev <narf@devilix.net>2019-09-19 14:08:45 +0200
committerAndrey Andreev <narf@devilix.net>2019-09-19 14:08:45 +0200
commitb73eb19aed66190c10c9cad476da7c36c271d6dc (patch)
treeb3d5d4f960569c30701934416d6d51628bde81a7 /user_guide/general/urls.html
parent6e052d80b95b9332ed592cdc3431b5f9dc8dd250 (diff)
[ci skip] 3.1.11 release
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+
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
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+ <meta charset="utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>CodeIgniter URLs &mdash; CodeIgniter 3.1.11 documentation</title>
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+ <link rel="shortcut icon" href="../_static/ci-icon.ico"/>
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+ <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'>
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+ <link rel="next" title="Controllers" href="controllers.html"/>
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+<li class="toctree-l2"><a class="reference internal" href="../overview/mvc.html">Model-View-Controller</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../overview/goals.html">Architectural Goals</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../tutorial/index.html">Tutorial</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../tutorial/static_pages.html">Static pages</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../tutorial/news_section.html">News section</a></li>
+<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>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li>
+</ul>
+</li>
+</ul>
+<ul class="current">
+<li class="toctree-l1 current"><a class="reference internal" href="index.html">General Topics</a><ul class="current">
+<li class="toctree-l2 current"><a class="current reference internal" href="#">CodeIgniter URLs</a></li>
+<li class="toctree-l2"><a class="reference internal" href="controllers.html">Controllers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="reserved_names.html">Reserved Names</a></li>
+<li class="toctree-l2"><a class="reference internal" href="views.html">Views</a></li>
+<li class="toctree-l2"><a class="reference internal" href="models.html">Models</a></li>
+<li class="toctree-l2"><a class="reference internal" href="helpers.html">Helpers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="libraries.html">Using CodeIgniter Libraries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="creating_libraries.html">Creating Libraries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="drivers.html">Using CodeIgniter Drivers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="creating_drivers.html">Creating Drivers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="core_classes.html">Creating Core System Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ancillary_classes.html">Creating Ancillary Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="hooks.html">Hooks - Extending the Framework Core</a></li>
+<li class="toctree-l2"><a class="reference internal" href="autoloader.html">Auto-loading Resources</a></li>
+<li class="toctree-l2"><a class="reference internal" href="common_functions.html">Common Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="compatibility_functions.html">Compatibility Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="routing.html">URI Routing</a></li>
+<li class="toctree-l2"><a class="reference internal" href="errors.html">Error Handling</a></li>
+<li class="toctree-l2"><a class="reference internal" href="caching.html">Caching</a></li>
+<li class="toctree-l2"><a class="reference internal" href="profiling.html">Profiling Your Application</a></li>
+<li class="toctree-l2"><a class="reference internal" href="cli.html">Running via the CLI</a></li>
+<li class="toctree-l2"><a class="reference internal" href="managing_apps.html">Managing your Applications</a></li>
+<li class="toctree-l2"><a class="reference internal" href="environments.html">Handling Multiple Environments</a></li>
+<li class="toctree-l2"><a class="reference internal" href="alternative_php.html">Alternate PHP Syntax for View Files</a></li>
+<li class="toctree-l2"><a class="reference internal" href="security.html">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="styleguide.html">PHP Style Guide</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../libraries/index.html">Libraries</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/benchmark.html">Benchmarking Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/caching.html">Caching Driver</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/calendar.html">Calendaring Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/cart.html">Shopping Cart Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/config.html">Config Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/email.html">Email Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/encrypt.html">Encrypt Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/encryption.html">Encryption Library</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/file_uploading.html">File Uploading Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/form_validation.html">Form Validation</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/ftp.html">FTP Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/image_lib.html">Image Manipulation Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/input.html">Input Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/javascript.html">Javascript Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/language.html">Language Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/loader.html">Loader Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/migration.html">Migrations Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/output.html">Output Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/pagination.html">Pagination Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/parser.html">Template Parser Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/security.html">Security Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/sessions.html">Session Library</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/table.html">HTML Table Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/trackback.html">Trackback Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/typography.html">Typography Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/unit_testing.html">Unit Testing Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/uri.html">URI Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/user_agent.html">User Agent Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/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">
+ <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
+ <a href="../index.html">CodeIgniter</a>
+ </nav>
+
+
+
+ <div class="wy-nav-content">
+ <div class="rst-content">
+ <div role="navigation" aria-label="breadcrumbs navigation">
+ <ul class="wy-breadcrumbs">
+ <li><a href="../index.html">Docs</a> &raquo;</li>
+
+ <li><a href="index.html">General Topics</a> &raquo;</li>
+
+ <li>CodeIgniter URLs</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>
+ </ul>
+ <hr/>
+</div>
+ <div role="main" class="document">
+
+ <div class="section" id="codeigniter-urls">
+<h1>CodeIgniter URLs<a class="headerlink" href="#codeigniter-urls" title="Permalink to this headline">¶</a></h1>
+<p>By default, URLs in CodeIgniter are designed to be search-engine and
+human friendly. Rather than using the standard “query string” approach
+to URLs that is synonymous with dynamic systems, CodeIgniter uses a
+<strong>segment-based</strong> approach:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">example</span><span class="o">.</span><span class="nx">com</span><span class="o">/</span><span class="nx">news</span><span class="o">/</span><span class="nx">article</span><span class="o">/</span><span class="nx">my_article</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">Query string URLs can be optionally enabled, as described
+below.</p>
+</div>
+<div class="section" id="uri-segments">
+<h2>URI Segments<a class="headerlink" href="#uri-segments" title="Permalink to this headline">¶</a></h2>
+<p>The segments in the URL, in following with the Model-View-Controller
+approach, usually represent:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">example</span><span class="o">.</span><span class="nx">com</span><span class="o">/</span><span class="nx">class</span><span class="o">/</span><span class="nx">function</span><span class="o">/</span><span class="nx">ID</span>
+</pre></div>
+</div>
+<ol class="arabic simple">
+<li>The first segment represents the controller <strong>class</strong> that should be
+invoked.</li>
+<li>The second segment represents the class <strong>function</strong>, or method, that
+should be called.</li>
+<li>The third, and any additional segments, represent the ID and any
+variables that will be passed to the controller.</li>
+</ol>
+<p>The <a class="reference internal" href="../libraries/uri.html"><span class="doc">URI Library</span></a> and the <a class="reference internal" href="../helpers/url_helper.html"><span class="doc">URL Helper</span></a> contain functions that make it easy to work
+with your URI data. In addition, your URLs can be remapped using the
+<a class="reference internal" href="routing.html"><span class="doc">URI Routing</span></a> feature for more flexibility.</p>
+</div>
+<div class="section" id="removing-the-index-php-file">
+<h2>Removing the index.php file<a class="headerlink" href="#removing-the-index-php-file" title="Permalink to this headline">¶</a></h2>
+<p>By default, the <strong>index.php</strong> file will be included in your URLs:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></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">article</span><span class="o">/</span><span class="nx">my_article</span>
+</pre></div>
+</div>
+<p>If your Apache server has <em>mod_rewrite</em> enabled, you can easily remove this
+file by using a .htaccess file with some simple rules. Here is an example
+of such a file, using the “negative” method in which everything is redirected
+except the specified items:</p>
+<div class="highlight-apache"><div class="highlight"><pre><span></span><span class="nb">RewriteEngine</span> <span class="k">On</span>
+<span class="nb">RewriteCond</span> %{REQUEST_FILENAME} !-f
+<span class="nb">RewriteCond</span> %{REQUEST_FILENAME} !-d
+<span class="nb">RewriteRule</span> ^(.*)$ index.php/$1 [L]
+</pre></div>
+</div>
+<p>In the above example, any HTTP request other than those for existing
+directories and existing files is treated as a request for your index.php file.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">These specific rules might not work for all server configurations.</p>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">Make sure to also exclude from the above rule any assets that you
+might need to be accessible from the outside world.</p>
+</div>
+</div>
+<div class="section" id="adding-a-url-suffix">
+<h2>Adding a URL Suffix<a class="headerlink" href="#adding-a-url-suffix" title="Permalink to this headline">¶</a></h2>
+<p>In your <strong>config/config.php</strong> file you can specify a suffix that will be
+added to all URLs generated by CodeIgniter. For example, if a URL is
+this:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></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">products</span><span class="o">/</span><span class="nx">view</span><span class="o">/</span><span class="nx">shoes</span>
+</pre></div>
+</div>
+<p>You can optionally add a suffix, like <strong>.html,</strong> making the page appear to
+be of a certain type:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></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">products</span><span class="o">/</span><span class="nx">view</span><span class="o">/</span><span class="nx">shoes</span><span class="o">.</span><span class="nx">html</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="enabling-query-strings">
+<h2>Enabling Query Strings<a class="headerlink" href="#enabling-query-strings" title="Permalink to this headline">¶</a></h2>
+<p>In some cases you might prefer to use query strings URLs:</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">c</span><span class="o">=</span><span class="nx">products</span><span class="o">&amp;</span><span class="nx">m</span><span class="o">=</span><span class="nx">view</span><span class="o">&amp;</span><span class="nx">id</span><span class="o">=</span><span class="mi">345</span>
+</pre></div>
+</div>
+<p>CodeIgniter optionally supports this capability, which can be enabled in
+your <strong>application/config.php</strong> file. If you open your config file you’ll
+see these items:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;enable_query_strings&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">FALSE</span><span class="p">;</span>
+<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;controller_trigger&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;c&#39;</span><span class="p">;</span>
+<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;function_trigger&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;m&#39;</span><span class="p">;</span>
+</pre></div>
+</div>
+<p>If you change “enable_query_strings” to TRUE this feature will become
+active. Your controllers and functions will then be accessible using the
+“trigger” words you’ve set to invoke your controllers and methods:</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">c</span><span class="o">=</span><span class="nx">controller</span><span class="o">&amp;</span><span class="nx">m</span><span class="o">=</span><span class="nx">method</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">If you are using query strings you will have to build your own
+URLs, rather than utilizing the URL helpers (and other helpers
+that generate URLs, like some of the form helpers) as these are
+designed to work with segment based URLs.</p>
+</div>
+</div>
+</div>
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