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authorAndrey Andreev <narf@devilix.net>2018-03-22 15:48:55 +0100
committerAndrey Andreev <narf@devilix.net>2018-03-22 15:48:55 +0100
commit71e647782764184e3aab4faffe6d99176758979f (patch)
tree74dbdd50a61cd5674915c144aca9ebbc00b235b8 /user_guide/general/views.html
parentb12fbad77bd69ca0c7624a9094c29b7691ea6107 (diff)
[ci skip] 3.1.8 release
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+
+
+<!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]-->
+<head>
+ <meta charset="utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Views &mdash; CodeIgniter 3.1.8 documentation</title>
+
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+
+
+ <link rel="shortcut icon" href="../_static/ci-icon.ico"/>
+
+
+
+ <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="stylesheet" href="../_static/css/citheme.css" type="text/css" />
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+ href="../genindex.html"/>
+ <link rel="search" title="Search" href="../search.html"/>
+ <link rel="top" title="CodeIgniter 3.1.8 documentation" href="../index.html"/>
+ <link rel="up" title="General Topics" href="index.html"/>
+ <link rel="next" title="Models" href="models.html"/>
+ <link rel="prev" title="Reserved Names" href="reserved_names.html"/>
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+<li class="toctree-l2 current"><a class="current reference internal" href="#">Views</a></li>
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+<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>
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+<li class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li>
+</ul>
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+<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
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+<li class="toctree-l2"><a class="reference internal" href="../overview/goals.html">Architectural Goals</a></li>
+</ul>
+</li>
+</ul>
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+<li class="toctree-l1"><a class="reference internal" href="../tutorial/index.html">Tutorial</a><ul>
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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>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
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+<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"><a class="reference internal" href="urls.html">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 current"><a class="current reference internal" href="#">Views</a></li>
+<li class="toctree-l2"><a class="reference internal" href="models.html">Models</a></li>
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+<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>
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+<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>
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+ <div class="wy-nav-content">
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+ <li><a href="../index.html">Docs</a> &raquo;</li>
+
+ <li><a href="index.html">General Topics</a> &raquo;</li>
+
+ <li>Views</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="views">
+<h1>Views<a class="headerlink" href="#views" title="Permalink to this headline">¶</a></h1>
+<p>A view is simply a web page, or a page fragment, like a header, footer,
+sidebar, etc. In fact, views can flexibly be embedded within other views
+(within other views, etc., etc.) if you need this type of hierarchy.</p>
+<p>Views are never called directly, they must be loaded by a
+<a class="reference internal" href="controllers.html"><span class="doc">controller</span></a>. Remember that in an MVC framework, the
+Controller acts as the traffic cop, so it is responsible for fetching a
+particular view. If you have not read the
+<a class="reference internal" href="controllers.html"><span class="doc">Controllers</span></a> page you should do so before
+continuing.</p>
+<p>Using the example controller you created in the
+<a class="reference internal" href="controllers.html"><span class="doc">controller</span></a> page, let’s add a view to it.</p>
+<div class="section" id="creating-a-view">
+<h2>Creating a View<a class="headerlink" href="#creating-a-view" title="Permalink to this headline">¶</a></h2>
+<p>Using your text editor, create a file called blogview.php, and put this
+in it:</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">My</span> <span class="nx">Blog</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;</span><span class="nx">Welcome</span> <span class="nx">to</span> <span class="nx">my</span> <span class="nx">Blog</span><span class="o">!&lt;/</span><span class="nx">h1</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>
+<p>Then save the file in your <em>application/views/</em> directory.</p>
+</div>
+<div class="section" id="loading-a-view">
+<h2>Loading a View<a class="headerlink" href="#loading-a-view" title="Permalink to this headline">¶</a></h2>
+<p>To load a particular view file you will use the following method:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;name&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>Where name is the name of your view file.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">The .php file extension does not need to be specified
+unless you use something other than .php.</p>
+</div>
+<p>Now, open the controller file you made earlier called Blog.php, and
+replace the echo statement with the view loading method:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;?</span><span class="nx">php</span>
+<span class="k">class</span> <span class="nc">Blog</span> <span class="k">extends</span> <span class="nx">CI_Controller</span> <span class="p">{</span>
+
+ <span class="k">public</span> <span class="k">function</span> <span class="nf">index</span><span class="p">()</span>
+ <span class="p">{</span>
+ <span class="nv">$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;blogview&#39;</span><span class="p">);</span>
+ <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>If you visit your site using the URL you did earlier you should see your
+new view. The URL was similar to 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">blog</span><span class="o">/</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="loading-multiple-views">
+<h2>Loading multiple views<a class="headerlink" href="#loading-multiple-views" title="Permalink to this headline">¶</a></h2>
+<p>CodeIgniter will intelligently handle multiple calls to
+<code class="docutils literal"><span class="pre">$this-&gt;load-&gt;view()</span></code> from within a controller. If more than one call
+happens they will be appended together. For example, you may wish to
+have a header view, a menu view, a content view, and a footer view. That
+might look something like this:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;?</span><span class="nx">php</span>
+
+<span class="k">class</span> <span class="nc">Page</span> <span class="k">extends</span> <span class="nx">CI_Controller</span> <span class="p">{</span>
+
+ <span class="k">public</span> <span class="k">function</span> <span class="nf">index</span><span class="p">()</span>
+ <span class="p">{</span>
+ <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;page_title&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;Your title&#39;</span><span class="p">;</span>
+ <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;header&#39;</span><span class="p">);</span>
+ <span class="nv">$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;menu&#39;</span><span class="p">);</span>
+ <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;content&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+ <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;footer&#39;</span><span class="p">);</span>
+ <span class="p">}</span>
+
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>In the example above, we are using “dynamically added data”, which you
+will see below.</p>
+</div>
+<div class="section" id="storing-views-within-sub-directories">
+<h2>Storing Views within Sub-directories<a class="headerlink" href="#storing-views-within-sub-directories" title="Permalink to this headline">¶</a></h2>
+<p>Your view files can also be stored within sub-directories if you prefer
+that type of organization. When doing so you will need to include the
+directory name loading the view. Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;directory_name/file_name&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="adding-dynamic-data-to-the-view">
+<h2>Adding Dynamic Data to the View<a class="headerlink" href="#adding-dynamic-data-to-the-view" title="Permalink to this headline">¶</a></h2>
+<p>Data is passed from the controller to the view by way of an <strong>array</strong> or
+an <strong>object</strong> in the second parameter of the view loading method. Here
+is an example using an array:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
+ <span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;My Title&#39;</span><span class="p">,</span>
+ <span class="s1">&#39;heading&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;My Heading&#39;</span><span class="p">,</span>
+ <span class="s1">&#39;message&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;My Message&#39;</span>
+<span class="p">);</span>
+
+<span class="nv">$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;blogview&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>And here’s an example using an object:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Someclass</span><span class="p">();</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;blogview&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">If you use an object, the class variables will be turned
+into array elements.</p>
+</div>
+<p>Let’s try it with your controller file. Open it add this 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">Blog</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">index</span><span class="p">()</span>
+ <span class="p">{</span>
+ <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;title&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;My Real Title&quot;</span><span class="p">;</span>
+ <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;heading&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;My Real Heading&quot;</span><span class="p">;</span>
+
+ <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">view</span><span class="p">(</span><span class="s1">&#39;blogview&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+ <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>Now open your view file and change the text to variables that correspond
+to the array keys in your data:</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;&lt;?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nv">$title</span><span class="p">;</span><span class="cp">?&gt;</span><span class="p">&lt;/</span><span class="nt">title</span><span class="p">&gt;</span>
+<span class="p">&lt;/</span><span class="nt">head</span><span class="p">&gt;</span>
+<span class="p">&lt;</span><span class="nt">body</span><span class="p">&gt;</span>
+ <span class="p">&lt;</span><span class="nt">h1</span><span class="p">&gt;</span><span class="cp">&lt;?php</span> <span class="k">echo</span> <span class="nv">$heading</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>
+<span class="p">&lt;/</span><span class="nt">body</span><span class="p">&gt;</span>
+<span class="p">&lt;/</span><span class="nt">html</span><span class="p">&gt;</span>
+</pre></div>
+</div>
+<p>Then load the page at the URL you’ve been using and you should see the
+variables replaced.</p>
+</div>
+<div class="section" id="creating-loops">
+<h2>Creating Loops<a class="headerlink" href="#creating-loops" title="Permalink to this headline">¶</a></h2>
+<p>The data array you pass to your view files is not limited to simple
+variables. You can pass multi dimensional arrays, which can be looped to
+generate multiple rows. For example, if you pull data from your database
+it will typically be in the form of a multi-dimensional array.</p>
+<p>Here’s a simple example. Add this to your controller:</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">Blog</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">index</span><span class="p">()</span>
+ <span class="p">{</span>
+ <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;todo_list&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="s1">&#39;Clean House&#39;</span><span class="p">,</span> <span class="s1">&#39;Call Mom&#39;</span><span class="p">,</span> <span class="s1">&#39;Run Errands&#39;</span><span class="p">);</span>
+
+ <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;title&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;My Real Title&quot;</span><span class="p">;</span>
+ <span class="nv">$data</span><span class="p">[</span><span class="s1">&#39;heading&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;My Real Heading&quot;</span><span class="p">;</span>
+
+ <span class="nv">$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;blogview&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
+ <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>Now open your view file and create a loop:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;</span><span class="nx">html</span><span class="o">&gt;</span>
+<span class="o">&lt;</span><span class="nx">head</span><span class="o">&gt;</span>
+ <span class="o">&lt;</span><span class="nx">title</span><span class="o">&gt;&lt;?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nv">$title</span><span class="p">;</span><span class="cp">?&gt;</span><span class="p">&lt;/</span><span class="nt">title</span><span class="p">&gt;</span>
+<span class="p">&lt;/</span><span class="nt">head</span><span class="p">&gt;</span>
+<span class="p">&lt;</span><span class="nt">body</span><span class="p">&gt;</span>
+ <span class="p">&lt;</span><span class="nt">h1</span><span class="p">&gt;</span><span class="cp">&lt;?php</span> <span class="k">echo</span> <span class="nv">$heading</span><span class="p">;</span><span class="cp">?&gt;</span><span class="p">&lt;/</span><span class="nt">h1</span><span class="p">&gt;</span>
+
+ <span class="p">&lt;</span><span class="nt">h3</span><span class="p">&gt;</span>My Todo List<span class="p">&lt;/</span><span class="nt">h3</span><span class="p">&gt;</span>
+
+ <span class="p">&lt;</span><span class="nt">ul</span><span class="p">&gt;</span>
+ <span class="cp">&lt;?php</span> <span class="k">foreach</span> <span class="p">(</span><span class="nv">$todo_list</span> <span class="k">as</span> <span class="nv">$item</span><span class="p">)</span><span class="o">:</span><span class="cp">?&gt;</span>
+
+ <span class="p">&lt;</span><span class="nt">li</span><span class="p">&gt;</span><span class="cp">&lt;?php</span> <span class="k">echo</span> <span class="nv">$item</span><span class="p">;</span><span class="cp">?&gt;</span><span class="p">&lt;/</span><span class="nt">li</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>
+ <span class="p">&lt;/</span><span class="nt">ul</span><span class="p">&gt;</span>
+
+<span class="p">&lt;/</span><span class="nt">body</span><span class="p">&gt;</span>
+<span class="p">&lt;/</span><span class="nt">html</span><span class="p">&gt;</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">You’ll notice that in the example above we are using PHP’s
+alternative syntax. If you are not familiar with it you can read about
+it <a class="reference internal" href="alternative_php.html"><span class="doc">here</span></a>.</p>
+</div>
+</div>
+<div class="section" id="returning-views-as-data">
+<h2>Returning views as data<a class="headerlink" href="#returning-views-as-data" title="Permalink to this headline">¶</a></h2>
+<p>There is a third <strong>optional</strong> parameter lets you change the behavior of
+the method so that it returns data as a string rather than sending it
+to your browser. This can be useful if you want to process the data in
+some way. If you set the parameter to TRUE (boolean) it will return
+data. The default behavior is false, which sends it to your browser.
+Remember to assign it to a variable if you want the data returned:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$string</span> <span class="o">=</span> <span class="nv">$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;myfile&#39;</span><span class="p">,</span> <span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+</div>
+
+
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