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- <title>Conclusion &mdash; CodeIgniter 3.1.7 documentation</title>
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-<li class="toctree-l2 current"><a class="current reference internal" href="#">Conclusion</a></li>
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-
- <div class="section" id="conclusion">
-<h1>Conclusion<a class="headerlink" href="#conclusion" title="Permalink to this headline">¶</a></h1>
-<p>This tutorial did not cover all of the things you might expect of a
-full-fledged content management system, but it introduced you to the
-more important topics of routing, writing controllers, and models. We
-hope this tutorial gave you an insight into some of CodeIgniter’s basic
-design patterns, which you can expand upon.</p>
-<p>Now that you’ve completed this tutorial, we recommend you check out the
-rest of the documentation. CodeIgniter is often praised because of its
-comprehensive documentation. Use this to your advantage and read the
-“Introduction” and “General Topics” sections thoroughly. You should read
-the class and helper references when needed.</p>
-<p>Every intermediate PHP programmer should be able to get the hang of
-CodeIgniter within a few days.</p>
-<p>If you still have questions about the framework or your own CodeIgniter
-code, you can:</p>
-<ul class="simple">
-<li>Check out our <a class="reference external" href="http://forum.codeigniter.com/">forums</a></li>
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diff --git a/user_guide/tutorial/create_news_items.html b/user_guide/tutorial/create_news_items.html
deleted file mode 100644
index 6fbbe59c7..000000000
--- a/user_guide/tutorial/create_news_items.html
+++ /dev/null
@@ -1,629 +0,0 @@
-
-
-<!DOCTYPE html>
-<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
-<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
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- <li><a href="../index.html">Docs</a> &raquo;</li>
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- <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" />
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-
- <div class="section" id="create-news-items">
-<h1>Create news items<a class="headerlink" href="#create-news-items" title="Permalink to this headline">¶</a></h1>
-<p>You now know how you can read data from a database using CodeIgniter, but
-you haven’t written any information to the database yet. In this section
-you’ll expand your news controller and model created earlier to include
-this functionality.</p>
-<div class="section" id="create-a-form">
-<h2>Create a form<a class="headerlink" href="#create-a-form" title="Permalink to this headline">¶</a></h2>
-<p>To input data into the database you need to create a form where you can
-input the information to be stored. This means you’ll be needing a form
-with two fields, one for the title and one for the text. You’ll derive
-the slug from our title in the model. Create the new view at
-<em>application/views/news/create.php</em>.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;</span><span class="nx">h2</span><span class="o">&gt;&lt;?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nv">$title</span><span class="p">;</span> <span class="cp">?&gt;</span><span class="p">&lt;/</span><span class="nt">h2</span><span class="p">&gt;</span>
-
-<span class="cp">&lt;?php</span> <span class="k">echo</span> <span class="nx">validation_errors</span><span class="p">();</span> <span class="cp">?&gt;</span>
-
-<span class="cp">&lt;?php</span> <span class="k">echo</span> <span class="nx">form_open</span><span class="p">(</span><span class="s1">&#39;news/create&#39;</span><span class="p">);</span> <span class="cp">?&gt;</span>
-
- <span class="p">&lt;</span><span class="nt">label</span> <span class="na">for</span><span class="o">=</span><span class="s">&quot;title&quot;</span><span class="p">&gt;</span>Title<span class="p">&lt;/</span><span class="nt">label</span><span class="p">&gt;</span>
- <span class="p">&lt;</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;input&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;title&quot;</span> <span class="p">/&gt;&lt;</span><span class="nt">br</span> <span class="p">/&gt;</span>
-
- <span class="p">&lt;</span><span class="nt">label</span> <span class="na">for</span><span class="o">=</span><span class="s">&quot;text&quot;</span><span class="p">&gt;</span>Text<span class="p">&lt;/</span><span class="nt">label</span><span class="p">&gt;</span>
- <span class="p">&lt;</span><span class="nt">textarea</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;text&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">textarea</span><span class="p">&gt;&lt;</span><span class="nt">br</span> <span class="p">/&gt;</span>
-
- <span class="p">&lt;</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;submit&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;submit&quot;</span> <span class="na">value</span><span class="o">=</span><span class="s">&quot;Create news item&quot;</span> <span class="p">/&gt;</span>
-
-<span class="p">&lt;/</span><span class="nt">form</span><span class="p">&gt;</span>
-</pre></div>
-</div>
-<p>There are only two things here that probably look unfamiliar to you: the
-<code class="docutils literal"><span class="pre">form_open()</span></code> function and the <code class="docutils literal"><span class="pre">validation_errors()</span></code> function.</p>
-<p>The first function is provided by the <a class="reference internal" href="../helpers/form_helper.html"><span class="doc">form
-helper</span></a> and renders the form element and
-adds extra functionality, like adding a hidden <a class="reference internal" href="../libraries/security.html"><span class="doc">CSRF prevention
-field</span></a>. The latter is used to report
-errors related to form validation.</p>
-<p>Go back to your news controller. You’re going to do two things here,
-check whether the form was submitted and whether the submitted data
-passed the validation rules. You’ll use the <a class="reference internal" href="../libraries/form_validation.html"><span class="doc">form
-validation</span></a> library to do this.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">public</span> <span class="k">function</span> <span class="nf">create</span><span class="p">()</span>
-<span class="p">{</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">helper</span><span class="p">(</span><span class="s1">&#39;form&#39;</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">library</span><span class="p">(</span><span class="s1">&#39;form_validation&#39;</span><span class="p">);</span>
-
- <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;title&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;Create a news item&#39;</span><span class="p">;</span>
-
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">form_validation</span><span class="o">-&gt;</span><span class="na">set_rules</span><span class="p">(</span><span class="s1">&#39;title&#39;</span><span class="p">,</span> <span class="s1">&#39;Title&#39;</span><span class="p">,</span> <span class="s1">&#39;required&#39;</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">form_validation</span><span class="o">-&gt;</span><span class="na">set_rules</span><span class="p">(</span><span class="s1">&#39;text&#39;</span><span class="p">,</span> <span class="s1">&#39;Text&#39;</span><span class="p">,</span> <span class="s1">&#39;required&#39;</span><span class="p">);</span>
-
- <span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">form_validation</span><span class="o">-&gt;</span><span class="na">run</span><span class="p">()</span> <span class="o">===</span> <span class="k">FALSE</span><span class="p">)</span>
- <span class="p">{</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;templates/header&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;news/create&#39;</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;templates/footer&#39;</span><span class="p">);</span>
-
- <span class="p">}</span>
- <span class="k">else</span>
- <span class="p">{</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">news_model</span><span class="o">-&gt;</span><span class="na">set_news</span><span class="p">();</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;news/success&#39;</span><span class="p">);</span>
- <span class="p">}</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<p>The code above adds a lot of functionality. The first few lines load the
-form helper and the form validation library. After that, rules for the
-form validation are set. The <code class="docutils literal"><span class="pre">set_rules()</span></code> method takes three arguments;
-the name of the input field, the name to be used in error messages, and
-the rule. In this case the title and text fields are required.</p>
-<p>CodeIgniter has a powerful form validation library as demonstrated
-above. You can read <a class="reference internal" href="../libraries/form_validation.html"><span class="doc">more about this library
-here</span></a>.</p>
-<p>Continuing down, you can see a condition that checks whether the form
-validation ran successfully. If it did not, the form is displayed, if it
-was submitted <strong>and</strong> passed all the rules, the model is called. After
-this, a view is loaded to display a success message. Create a view at
-<em>application/views/news/success.php</em> and write a success message.</p>
-</div>
-<div class="section" id="model">
-<h2>Model<a class="headerlink" href="#model" title="Permalink to this headline">¶</a></h2>
-<p>The only thing that remains is writing a method that writes the data to
-the database. You’ll use the Query Builder class to insert the
-information and use the input library to get the posted data. Open up
-the model created earlier and add the following:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">public</span> <span class="k">function</span> <span class="nf">set_news</span><span class="p">()</span>
-<span class="p">{</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">helper</span><span class="p">(</span><span class="s1">&#39;url&#39;</span><span class="p">);</span>
-
- <span class="nv">$slug</span> <span class="o">=</span> <span class="nx">url_title</span><span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">input</span><span class="o">-&gt;</span><span class="na">post</span><span class="p">(</span><span class="s1">&#39;title&#39;</span><span class="p">),</span> <span class="s1">&#39;dash&#39;</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span>
-
- <span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
- <span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">input</span><span class="o">-&gt;</span><span class="na">post</span><span class="p">(</span><span class="s1">&#39;title&#39;</span><span class="p">),</span>
- <span class="s1">&#39;slug&#39;</span> <span class="o">=&gt;</span> <span class="nv">$slug</span><span class="p">,</span>
- <span class="s1">&#39;text&#39;</span> <span class="o">=&gt;</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">input</span><span class="o">-&gt;</span><span class="na">post</span><span class="p">(</span><span class="s1">&#39;text&#39;</span><span class="p">)</span>
- <span class="p">);</span>
-
- <span class="k">return</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">db</span><span class="o">-&gt;</span><span class="na">insert</span><span class="p">(</span><span class="s1">&#39;news&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<p>This new method takes care of inserting the news item into the database.
-The third line contains a new function, url_title(). This function -
-provided by the <a class="reference internal" href="../helpers/url_helper.html"><span class="doc">URL helper</span></a> - strips down
-the string you pass it, replacing all spaces by dashes (-) and makes
-sure everything is in lowercase characters. This leaves you with a nice
-slug, perfect for creating URIs.</p>
-<p>Let’s continue with preparing the record that is going to be inserted
-later, inside the <code class="docutils literal"><span class="pre">$data</span></code> array. Each element corresponds with a column in
-the database table created earlier. You might notice a new method here,
-namely the <code class="docutils literal"><span class="pre">post()</span></code> method from the <a class="reference internal" href="../libraries/input.html"><span class="doc">input
-library</span></a>. This method makes sure the data is
-sanitized, protecting you from nasty attacks from others. The input
-library is loaded by default. At last, you insert our <code class="docutils literal"><span class="pre">$data</span></code> array into
-our database.</p>
-</div>
-<div class="section" id="routing">
-<h2>Routing<a class="headerlink" href="#routing" title="Permalink to this headline">¶</a></h2>
-<p>Before you can start adding news items into your CodeIgniter application
-you have to add an extra rule to <em>config/routes.php</em> file. Make sure your
-file contains the following. This makes sure CodeIgniter sees ‘create’
-as a method instead of a news item’s slug.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;news/create&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;news/create&#39;</span><span class="p">;</span>
-<span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;news/(:any)&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;news/view/$1&#39;</span><span class="p">;</span>
-<span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;news&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;news&#39;</span><span class="p">;</span>
-<span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;(:any)&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;pages/view/$1&#39;</span><span class="p">;</span>
-<span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;default_controller&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;pages/view&#39;</span><span class="p">;</span>
-</pre></div>
-</div>
-<p>Now point your browser to your local development environment where you
-installed CodeIgniter and add index.php/news/create to the URL.
-Congratulations, you just created your first CodeIgniter application!
-Add some news and check out the different pages you made.</p>
-</div>
-</div>
-
-
- </div>
- <footer>
-
- <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-
- <a href="conclusion.html" class="btn btn-neutral float-right" title="Conclusion">Next <span class="fa fa-arrow-circle-right"></span></a>
-
-
- <a href="news_section.html" class="btn btn-neutral" title="News section"><span class="fa fa-arrow-circle-left"></span> Previous</a>
-
- </div>
-
-
- <hr/>
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- <p>
- &copy; Copyright 2014 - 2018, British Columbia Institute of Technology.
- Last updated on Jan 13, 2018.
- </p>
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-<p>This tutorial is intended to introduce you to the CodeIgniter framework
-and the basic principles of MVC architecture. It will show you how a
-basic CodeIgniter application is constructed in step-by-step fashion.</p>
-<p>In this tutorial, you will be creating a <strong>basic news application</strong>. You
-will begin by writing the code that can load static pages. Next, you
-will create a news section that reads news items from a database.
-Finally, you’ll add a form to create news items in the database.</p>
-<p>This tutorial will primarily focus on:</p>
-<ul class="simple">
-<li>Model-View-Controller basics</li>
-<li>Routing basics</li>
-<li>Form validation</li>
-<li>Performing basic database queries using “Query Builder”</li>
-</ul>
-<p>The entire tutorial is split up over several pages, each explaining a
-small part of the functionality of the CodeIgniter framework. You’ll go
-through the following pages:</p>
-<ul class="simple">
-<li>Introduction, this page, which gives you an overview of what to
-expect.</li>
-<li><a class="reference internal" href="static_pages.html"><span class="doc">Static pages</span></a>, which will teach you the basics
-of controllers, views and routing.</li>
-<li><a class="reference internal" href="news_section.html"><span class="doc">News section</span></a>, where you’ll start using models
-and will be doing some basic database operations.</li>
-<li><a class="reference internal" href="create_news_items.html"><span class="doc">Create news items</span></a>, which will introduce
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diff --git a/user_guide/tutorial/news_section.html b/user_guide/tutorial/news_section.html
deleted file mode 100644
index 180214d5b..000000000
--- a/user_guide/tutorial/news_section.html
+++ /dev/null
@@ -1,685 +0,0 @@
-
-
-<!DOCTYPE html>
-<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
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- <div class="section" id="news-section">
-<h1>News section<a class="headerlink" href="#news-section" title="Permalink to this headline">¶</a></h1>
-<p>In the last section, we went over some basic concepts of the framework
-by writing a class that includes static pages. We cleaned up the URI by
-adding custom routing rules. Now it’s time to introduce dynamic content
-and start using a database.</p>
-<div class="section" id="setting-up-your-model">
-<h2>Setting up your model<a class="headerlink" href="#setting-up-your-model" title="Permalink to this headline">¶</a></h2>
-<p>Instead of writing database operations right in the controller, queries
-should be placed in a model, so they can easily be reused later. Models
-are the place where you retrieve, insert, and update information in your
-database or other data stores. They represent your data.</p>
-<p>Open up the <em>application/models/</em> directory and create a new file called
-<em>News_model.php</em> and add the following code. Make sure you’ve configured
-your database properly as described <a class="reference internal" href="../database/configuration.html"><span class="doc">here</span></a>.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;?</span><span class="nx">php</span>
-<span class="k">class</span> <span class="nc">News_model</span> <span class="k">extends</span> <span class="nx">CI_Model</span> <span class="p">{</span>
-
- <span class="k">public</span> <span class="k">function</span> <span class="nf">__construct</span><span class="p">()</span>
- <span class="p">{</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">database</span><span class="p">();</span>
- <span class="p">}</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<p>This code looks similar to the controller code that was used earlier. It
-creates a new model by extending <code class="docutils literal"><span class="pre">CI_Model</span></code> and loads the database
-library. This will make the database class available through the
-<code class="docutils literal"><span class="pre">$this-&gt;db</span></code> object.</p>
-<p>Before querying the database, a database schema has to be created.
-Connect to your database and run the SQL command below (MySQL).
-Also add some seed records.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">CREATE</span> <span class="nx">TABLE</span> <span class="nx">news</span> <span class="p">(</span>
- <span class="nx">id</span> <span class="nx">int</span><span class="p">(</span><span class="mi">11</span><span class="p">)</span> <span class="k">NOT</span> <span class="k">NULL</span> <span class="nx">AUTO_INCREMENT</span><span class="p">,</span>
- <span class="nx">title</span> <span class="nx">varchar</span><span class="p">(</span><span class="mi">128</span><span class="p">)</span> <span class="k">NOT</span> <span class="k">NULL</span><span class="p">,</span>
- <span class="nx">slug</span> <span class="nx">varchar</span><span class="p">(</span><span class="mi">128</span><span class="p">)</span> <span class="k">NOT</span> <span class="k">NULL</span><span class="p">,</span>
- <span class="nx">text</span> <span class="nx">text</span> <span class="k">NOT</span> <span class="k">NULL</span><span class="p">,</span>
- <span class="nx">PRIMARY</span> <span class="nx">KEY</span> <span class="p">(</span><span class="nx">id</span><span class="p">),</span>
- <span class="nx">KEY</span> <span class="nx">slug</span> <span class="p">(</span><span class="nx">slug</span><span class="p">)</span>
-<span class="p">);</span>
-</pre></div>
-</div>
-<p>Now that the database and a model have been set up, you’ll need a method
-to get all of our posts from our database. To do this, the database
-abstraction layer that is included with CodeIgniter —
-<a class="reference internal" href="../database/query_builder.html"><span class="doc">Query Builder</span></a> — is used. This makes it
-possible to write your ‘queries’ once and make them work on <a class="reference internal" href="../general/requirements.html"><span class="doc">all
-supported database systems</span></a>. Add the
-following code to your model.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">public</span> <span class="k">function</span> <span class="nf">get_news</span><span class="p">(</span><span class="nv">$slug</span> <span class="o">=</span> <span class="k">FALSE</span><span class="p">)</span>
-<span class="p">{</span>
- <span class="k">if</span> <span class="p">(</span><span class="nv">$slug</span> <span class="o">===</span> <span class="k">FALSE</span><span class="p">)</span>
- <span class="p">{</span>
- <span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">db</span><span class="o">-&gt;</span><span class="na">get</span><span class="p">(</span><span class="s1">&#39;news&#39;</span><span class="p">);</span>
- <span class="k">return</span> <span class="nv">$query</span><span class="o">-&gt;</span><span class="na">result_array</span><span class="p">();</span>
- <span class="p">}</span>
-
- <span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">db</span><span class="o">-&gt;</span><span class="na">get_where</span><span class="p">(</span><span class="s1">&#39;news&#39;</span><span class="p">,</span> <span class="k">array</span><span class="p">(</span><span class="s1">&#39;slug&#39;</span> <span class="o">=&gt;</span> <span class="nv">$slug</span><span class="p">));</span>
- <span class="k">return</span> <span class="nv">$query</span><span class="o">-&gt;</span><span class="na">row_array</span><span class="p">();</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<p>With this code you can perform two different queries. You can get all
-news records, or get a news item by its <a class="reference external" href="#">slug</a>. You might have
-noticed that the <code class="docutils literal"><span class="pre">$slug</span></code> variable wasn’t sanitized before running the
-query; <a class="reference internal" href="../database/query_builder.html"><span class="doc">Query Builder</span></a> does this for you.</p>
-</div>
-<div class="section" id="display-the-news">
-<h2>Display the news<a class="headerlink" href="#display-the-news" title="Permalink to this headline">¶</a></h2>
-<p>Now that the queries are written, the model should be tied to the views
-that are going to display the news items to the user. This could be done
-in our <code class="docutils literal"><span class="pre">Pages</span></code> controller created earlier, but for the sake of clarity,
-a new <code class="docutils literal"><span class="pre">News</span></code> controller is defined. Create the new controller at
-<em>application/controllers/News.php</em>.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;?</span><span class="nx">php</span>
-<span class="k">class</span> <span class="nc">News</span> <span class="k">extends</span> <span class="nx">CI_Controller</span> <span class="p">{</span>
-
- <span class="k">public</span> <span class="k">function</span> <span class="nf">__construct</span><span class="p">()</span>
- <span class="p">{</span>
- <span class="k">parent</span><span class="o">::</span><span class="na">__construct</span><span class="p">();</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">model</span><span class="p">(</span><span class="s1">&#39;news_model&#39;</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">helper</span><span class="p">(</span><span class="s1">&#39;url_helper&#39;</span><span class="p">);</span>
- <span class="p">}</span>
-
- <span class="k">public</span> <span class="k">function</span> <span class="nf">index</span><span class="p">()</span>
- <span class="p">{</span>
- <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;news&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">news_model</span><span class="o">-&gt;</span><span class="na">get_news</span><span class="p">();</span>
- <span class="p">}</span>
-
- <span class="k">public</span> <span class="k">function</span> <span class="nf">view</span><span class="p">(</span><span class="nv">$slug</span> <span class="o">=</span> <span class="k">NULL</span><span class="p">)</span>
- <span class="p">{</span>
- <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;news_item&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">news_model</span><span class="o">-&gt;</span><span class="na">get_news</span><span class="p">(</span><span class="nv">$slug</span><span class="p">);</span>
- <span class="p">}</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<p>Looking at the code, you may see some similarity with the files we
-created earlier. First, the <code class="docutils literal"><span class="pre">__construct()</span></code> method: it calls the
-constructor of its parent class (<code class="docutils literal"><span class="pre">CI_Controller</span></code>) and loads the model,
-so it can be used in all other methods in this controller.
-It also loads a collection of <a class="reference internal" href="../helpers/url_helper.html"><span class="doc">URL Helper</span></a>
-functions, because we’ll use one of them in a view later.</p>
-<p>Next, there are two methods to view all news items and one for a specific
-news item. You can see that the <code class="docutils literal"><span class="pre">$slug</span></code> variable is passed to the model’s
-method in the second method. The model is using this slug to identify the
-news item to be returned.</p>
-<p>Now the data is retrieved by the controller through our model, but
-nothing is displayed yet. The next thing to do is passing this data to
-the views.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">public</span> <span class="k">function</span> <span class="nf">index</span><span class="p">()</span>
-<span class="p">{</span>
- <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;news&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">news_model</span><span class="o">-&gt;</span><span class="na">get_news</span><span class="p">();</span>
- <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;title&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;News archive&#39;</span><span class="p">;</span>
-
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;templates/header&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;news/index&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;templates/footer&#39;</span><span class="p">);</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<p>The code above gets all news records from the model and assigns it to a
-variable. The value for the title is also assigned to the <code class="docutils literal"><span class="pre">$data['title']</span></code>
-element and all data is passed to the views. You now need to create a
-view to render the news items. Create <em>application/views/news/index.php</em>
-and add the next piece of code.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;</span><span class="nx">h2</span><span class="o">&gt;&lt;?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nv">$title</span><span class="p">;</span> <span class="cp">?&gt;</span><span class="p">&lt;/</span><span class="nt">h2</span><span class="p">&gt;</span>
-
-<span class="cp">&lt;?php</span> <span class="k">foreach</span> <span class="p">(</span><span class="nv">$news</span> <span class="k">as</span> <span class="nv">$news_item</span><span class="p">)</span><span class="o">:</span> <span class="cp">?&gt;</span>
-
- <span class="p">&lt;</span><span class="nt">h3</span><span class="p">&gt;</span><span class="cp">&lt;?php</span> <span class="k">echo</span> <span class="nv">$news_item</span><span class="p">[</span><span class="s1">&#39;title&#39;</span><span class="p">];</span> <span class="cp">?&gt;</span><span class="p">&lt;/</span><span class="nt">h3</span><span class="p">&gt;</span>
- <span class="p">&lt;</span><span class="nt">div</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;main&quot;</span><span class="p">&gt;</span>
- <span class="cp">&lt;?php</span> <span class="k">echo</span> <span class="nv">$news_item</span><span class="p">[</span><span class="s1">&#39;text&#39;</span><span class="p">];</span> <span class="cp">?&gt;</span>
- <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
- <span class="p">&lt;</span><span class="nt">p</span><span class="p">&gt;&lt;</span><span class="nt">a</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;</span><span class="cp">&lt;?php</span> <span class="k">echo</span> <span class="nx">site_url</span><span class="p">(</span><span class="s1">&#39;news/&#39;</span><span class="o">.</span><span class="nv">$news_item</span><span class="p">[</span><span class="s1">&#39;slug&#39;</span><span class="p">]);</span> <span class="cp">?&gt;</span><span class="s">&quot;</span><span class="p">&gt;</span>View article<span class="p">&lt;/</span><span class="nt">a</span><span class="p">&gt;&lt;/</span><span class="nt">p</span><span class="p">&gt;</span>
-
-<span class="cp">&lt;?php</span> <span class="k">endforeach</span><span class="p">;</span> <span class="cp">?&gt;</span>
-</pre></div>
-</div>
-<p>Here, each news item is looped and displayed to the user. You can see we
-wrote our template in PHP mixed with HTML. If you prefer to use a template
-language, you can use CodeIgniter’s <a class="reference internal" href="../libraries/parser.html"><span class="doc">Template
-Parser</span></a> class or a third party parser.</p>
-<p>The news overview page is now done, but a page to display individual
-news items is still absent. The model created earlier is made in such
-way that it can easily be used for this functionality. You only need to
-add some code to the controller and create a new view. Go back to the
-<code class="docutils literal"><span class="pre">News</span></code> controller and update <code class="docutils literal"><span class="pre">view()</span></code> with the following:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">public</span> <span class="k">function</span> <span class="nf">view</span><span class="p">(</span><span class="nv">$slug</span> <span class="o">=</span> <span class="k">NULL</span><span class="p">)</span>
-<span class="p">{</span>
- <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;news_item&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">news_model</span><span class="o">-&gt;</span><span class="na">get_news</span><span class="p">(</span><span class="nv">$slug</span><span class="p">);</span>
-
- <span class="k">if</span> <span class="p">(</span><span class="k">empty</span><span class="p">(</span><span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;news_item&#39;</span><span class="p">]))</span>
- <span class="p">{</span>
- <span class="nx">show_404</span><span class="p">();</span>
- <span class="p">}</span>
-
- <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;title&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;news_item&#39;</span><span class="p">][</span><span class="s1">&#39;title&#39;</span><span class="p">];</span>
-
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;templates/header&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;news/view&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;templates/footer&#39;</span><span class="p">);</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<p>Instead of calling the <code class="docutils literal"><span class="pre">get_news()</span></code> method without a parameter, the
-<code class="docutils literal"><span class="pre">$slug</span></code> variable is passed, so it will return the specific news item.
-The only things left to do is create the corresponding view at
-<em>application/views/news/view.php</em>. Put the following code in this file.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;?</span><span class="nx">php</span>
-<span class="k">echo</span> <span class="s1">&#39;&lt;h2&gt;&#39;</span><span class="o">.</span><span class="nv">$news_item</span><span class="p">[</span><span class="s1">&#39;title&#39;</span><span class="p">]</span><span class="o">.</span><span class="s1">&#39;&lt;/h2&gt;&#39;</span><span class="p">;</span>
-<span class="k">echo</span> <span class="nv">$news_item</span><span class="p">[</span><span class="s1">&#39;text&#39;</span><span class="p">];</span>
-</pre></div>
-</div>
-</div>
-<div class="section" id="routing">
-<h2>Routing<a class="headerlink" href="#routing" title="Permalink to this headline">¶</a></h2>
-<p>Because of the wildcard routing rule created earlier, you need an extra
-route to view the controller that you just made. Modify your routing file
-(<em>application/config/routes.php</em>) so it looks as follows.
-This makes sure the requests reaches the <code class="docutils literal"><span class="pre">News</span></code> controller instead of
-going directly to the <code class="docutils literal"><span class="pre">Pages</span></code> controller. The first line routes URI’s
-with a slug to the <code class="docutils literal"><span class="pre">view()</span></code> method in the <code class="docutils literal"><span class="pre">News</span></code> controller.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;news/(:any)&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;news/view/$1&#39;</span><span class="p">;</span>
-<span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;news&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;news&#39;</span><span class="p">;</span>
-<span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;(:any)&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;pages/view/$1&#39;</span><span class="p">;</span>
-<span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;default_controller&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;pages/view&#39;</span><span class="p">;</span>
-</pre></div>
-</div>
-<p>Point your browser to your document root, followed by index.php/news and
-watch your news page.</p>
-</div>
-</div>
-
-
- </div>
- <footer>
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-
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- &copy; Copyright 2014 - 2018, British Columbia Institute of Technology.
- Last updated on Jan 13, 2018.
- </p>
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diff --git a/user_guide/tutorial/static_pages.html b/user_guide/tutorial/static_pages.html
deleted file mode 100644
index ace3a83b7..000000000
--- a/user_guide/tutorial/static_pages.html
+++ /dev/null
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- <div class="section" id="static-pages">
-<h1>Static pages<a class="headerlink" href="#static-pages" title="Permalink to this headline">¶</a></h1>
-<p><strong>Note:</strong> This tutorial assumes you’ve downloaded CodeIgniter and
-<a class="reference internal" href="../installation/index.html"><span class="doc">installed the framework</span></a> in your
-development environment.</p>
-<p>The first thing you’re going to do is set up a <strong>controller</strong> to handle
-static pages. A controller is simply a class that helps delegate work.
-It is the glue of your web application.</p>
-<p>For example, when a call is made to:</p>
-<blockquote>
-<div><a class="reference external" href="http://example.com/news/latest/10">http://example.com/news/latest/10</a></div></blockquote>
-<p>We might imagine that there is a controller named “news”. The method
-being called on news would be “latest”. The news method’s job could be to
-grab 10 news items, and render them on the page. Very often in MVC,
-you’ll see URL patterns that match:</p>
-<blockquote>
-<div><a class="reference external" href="http://example.com/[controller-class]/[controller-method]/[arguments">http://example.com/[controller-class]/[controller-method]/[arguments</a>]</div></blockquote>
-<p>As URL schemes become more complex, this may change. But for now, this
-is all we will need to know.</p>
-<p>Create a file at <em>application/controllers/Pages.php</em> with the following
-code.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;?</span><span class="nx">php</span>
-<span class="k">class</span> <span class="nc">Pages</span> <span class="k">extends</span> <span class="nx">CI_Controller</span> <span class="p">{</span>
-
- <span class="k">public</span> <span class="k">function</span> <span class="nf">view</span><span class="p">(</span><span class="nv">$page</span> <span class="o">=</span> <span class="s1">&#39;home&#39;</span><span class="p">)</span>
- <span class="p">{</span>
- <span class="p">}</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<p>You have created a class named <code class="docutils literal"><span class="pre">Pages</span></code>, with a view method that accepts
-one argument named <code class="docutils literal"><span class="pre">$page</span></code>. The <code class="docutils literal"><span class="pre">Pages</span></code> class is extending the
-<code class="docutils literal"><span class="pre">CI_Controller</span></code> class. This means that the new pages class can access the
-methods and variables defined in the <code class="docutils literal"><span class="pre">CI_Controller</span></code> class
-(<em>system/core/Controller.php</em>).</p>
-<p>The <strong>controller is what will become the center of every request</strong> to
-your web application. In very technical CodeIgniter discussions, it may
-be referred to as the <em>super object</em>. Like any php class, you refer to
-it within your controllers as <code class="docutils literal"><span class="pre">$this</span></code>. Referring to <code class="docutils literal"><span class="pre">$this</span></code> is how
-you will load libraries, views, and generally command the framework.</p>
-<p>Now you’ve created your first method, it’s time to make some basic page
-templates. We will be creating two “views” (page templates) that act as
-our page footer and header.</p>
-<p>Create the header at <em>application/views/templates/header.php</em> and add
-the following code:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;</span><span class="nx">html</span><span class="o">&gt;</span>
- <span class="o">&lt;</span><span class="nx">head</span><span class="o">&gt;</span>
- <span class="o">&lt;</span><span class="nx">title</span><span class="o">&gt;</span><span class="nx">CodeIgniter</span> <span class="nx">Tutorial</span><span class="o">&lt;/</span><span class="nx">title</span><span class="o">&gt;</span>
- <span class="o">&lt;/</span><span class="nx">head</span><span class="o">&gt;</span>
- <span class="o">&lt;</span><span class="nx">body</span><span class="o">&gt;</span>
-
- <span class="o">&lt;</span><span class="nx">h1</span><span class="o">&gt;&lt;?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nv">$title</span><span class="p">;</span> <span class="cp">?&gt;</span><span class="p">&lt;/</span><span class="nt">h1</span><span class="p">&gt;</span>
-</pre></div>
-</div>
-<p>The header contains the basic HTML code that you’ll want to display
-before loading the main view, together with a heading. It will also
-output the <code class="docutils literal"><span class="pre">$title</span></code> variable, which we’ll define later in the controller.
-Now, create a footer at <em>application/views/templates/footer.php</em> that
-includes the following code:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span> <span class="o">&lt;</span><span class="nx">em</span><span class="o">&gt;&amp;</span><span class="nb">copy</span><span class="p">;</span> <span class="mi">2015</span><span class="o">&lt;/</span><span class="nx">em</span><span class="o">&gt;</span>
- <span class="o">&lt;/</span><span class="nx">body</span><span class="o">&gt;</span>
-<span class="o">&lt;/</span><span class="nx">html</span><span class="o">&gt;</span>
-</pre></div>
-</div>
-<div class="section" id="adding-logic-to-the-controller">
-<h2>Adding logic to the controller<a class="headerlink" href="#adding-logic-to-the-controller" title="Permalink to this headline">¶</a></h2>
-<p>Earlier you set up a controller with a <code class="docutils literal"><span class="pre">view()</span></code> method. The method
-accepts one parameter, which is the name of the page to be loaded. The
-static page templates will be located in the <em>application/views/pages/</em>
-directory.</p>
-<p>In that directory, create two files named <em>home.php</em> and <em>about.php</em>.
-Within those files, type some text − anything you’d like − and save them.
-If you like to be particularly un-original, try “Hello World!”.</p>
-<p>In order to load those pages, you’ll have to check whether the requested
-page actually exists:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">public</span> <span class="k">function</span> <span class="nf">view</span><span class="p">(</span><span class="nv">$page</span> <span class="o">=</span> <span class="s1">&#39;home&#39;</span><span class="p">)</span>
-<span class="p">{</span>
- <span class="k">if</span> <span class="p">(</span> <span class="o">!</span> <span class="nb">file_exists</span><span class="p">(</span><span class="nx">APPPATH</span><span class="o">.</span><span class="s1">&#39;views/pages/&#39;</span><span class="o">.</span><span class="nv">$page</span><span class="o">.</span><span class="s1">&#39;.php&#39;</span><span class="p">))</span>
- <span class="p">{</span>
- <span class="c1">// Whoops, we don&#39;t have a page for that!</span>
- <span class="nx">show_404</span><span class="p">();</span>
- <span class="p">}</span>
-
- <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;title&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nb">ucfirst</span><span class="p">(</span><span class="nv">$page</span><span class="p">);</span> <span class="c1">// Capitalize the first letter</span>
-
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;templates/header&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;pages/&#39;</span><span class="o">.</span><span class="nv">$page</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;templates/footer&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<p>Now, when the page does exist, it is loaded, including the header and
-footer, and displayed to the user. If the page doesn’t exist, a “404
-Page not found” error is shown.</p>
-<p>The first line in this method checks whether the page actually exists.
-PHP’s native <code class="docutils literal"><span class="pre">file_exists()</span></code> function is used to check whether the file
-is where it’s expected to be. <code class="docutils literal"><span class="pre">show_404()</span></code> is a built-in CodeIgniter
-function that renders the default error page.</p>
-<p>In the header template, the <code class="docutils literal"><span class="pre">$title</span></code> variable was used to customize the
-page title. The value of title is defined in this method, but instead of
-assigning the value to a variable, it is assigned to the title element
-in the <code class="docutils literal"><span class="pre">$data</span></code> array.</p>
-<p>The last thing that has to be done is loading the views in the order
-they should be displayed. The second parameter in the <code class="docutils literal"><span class="pre">view()</span></code> method is
-used to pass values to the view. Each value in the <code class="docutils literal"><span class="pre">$data</span></code> array is
-assigned to a variable with the name of its key. So the value of
-<code class="docutils literal"><span class="pre">$data['title']</span></code> in the controller is equivalent to <code class="docutils literal"><span class="pre">$title</span></code> in the
-view.</p>
-</div>
-<div class="section" id="routing">
-<h2>Routing<a class="headerlink" href="#routing" title="Permalink to this headline">¶</a></h2>
-<p>The controller is now functioning! Point your browser to
-<code class="docutils literal"><span class="pre">[your-site-url]index.php/pages/view</span></code> to see your page. When you visit
-<code class="docutils literal"><span class="pre">index.php/pages/view/about</span></code> you’ll see the about page, again including
-the header and footer.</p>
-<p>Using custom routing rules, you have the power to map any URI to any
-controller and method, and break free from the normal convention:
-<code class="docutils literal"><span class="pre">http://example.com/[controller-class]/[controller-method]/[arguments]</span></code></p>
-<p>Let’s do that. Open the routing file located at
-<em>application/config/routes.php</em> and add the following two lines.
-Remove all other code that sets any element in the <code class="docutils literal"><span class="pre">$route</span></code> array.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;default_controller&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;pages/view&#39;</span><span class="p">;</span>
-<span class="nv">$route</span><span class="p">[</span><span class="s1">&#39;(:any)&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;pages/view/$1&#39;</span><span class="p">;</span>
-</pre></div>
-</div>
-<p>CodeIgniter reads its routing rules from top to bottom and routes the
-request to the first matching rule. Each rule is a regular expression
-(left-side) mapped to a controller and method name separated by slashes
-(right-side). When a request comes in, CodeIgniter looks for the first
-match, and calls the appropriate controller and method, possibly with
-arguments.</p>
-<p>More information about routing can be found in the URI Routing
-<a class="reference internal" href="../general/routing.html"><span class="doc">documentation</span></a>.</p>
-<p>Here, the second rule in the <code class="docutils literal"><span class="pre">$routes</span></code> array matches <strong>any</strong> request
-using the wildcard string <code class="docutils literal"><span class="pre">(:any)</span></code>. and passes the parameter to the
-<code class="docutils literal"><span class="pre">view()</span></code> method of the <code class="docutils literal"><span class="pre">Pages</span></code> class.</p>
-<p>Now visit <code class="docutils literal"><span class="pre">index.php/about</span></code>. Did it get routed correctly to the <code class="docutils literal"><span class="pre">view()</span></code>
-method in the pages controller? Awesome!</p>
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