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diff --git a/user_guide/general/caching.html b/user_guide/general/caching.html deleted file mode 100644 index ea7b12e2d..000000000 --- a/user_guide/general/caching.html +++ /dev/null @@ -1,564 +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]--> -<head> - <meta charset="utf-8"> - <meta name="viewport" content="width=device-width, initial-scale=1.0"> - - <title>Web Page Caching — CodeIgniter 3.1.5 documentation</title> - - - - - <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'> - - - - - - - - - - <link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" /> - - - - <link rel="top" title="CodeIgniter 3.1.5 documentation" href="../index.html"/> - <link rel="up" 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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> - - </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> »</li> - - <li><a href="index.html">General Topics</a> »</li> - - <li>Web Page Caching</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="web-page-caching"> -<h1>Web Page Caching<a class="headerlink" href="#web-page-caching" title="Permalink to this headline">¶</a></h1> -<p>CodeIgniter lets you cache your pages in order to achieve maximum -performance.</p> -<p>Although CodeIgniter is quite fast, the amount of dynamic information -you display in your pages will correlate directly to the server -resources, memory, and processing cycles utilized, which affect your -page load speeds. By caching your pages, since they are saved in their -fully rendered state, you can achieve performance that nears that of -static web pages.</p> -<div class="section" id="how-does-caching-work"> -<h2>How Does Caching Work?<a class="headerlink" href="#how-does-caching-work" title="Permalink to this headline">¶</a></h2> -<p>Caching can be enabled on a per-page basis, and you can set the length -of time that a page should remain cached before being refreshed. When a -page is loaded for the first time, the cache file will be written to -your application/cache folder. On subsequent page loads the cache file -will be retrieved and sent to the requesting user’s browser. If it has -expired, it will be deleted and refreshed before being sent to the -browser.</p> -</div> -<div class="section" id="enabling-caching"> -<h2>Enabling Caching<a class="headerlink" href="#enabling-caching" title="Permalink to this headline">¶</a></h2> -<p>To enable caching, put the following tag in any of your controller -methods:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">cache</span><span class="p">(</span><span class="nv">$n</span><span class="p">);</span> -</pre></div> -</div> -<p>Where <tt class="docutils literal"><span class="pre">$n</span></tt> is the number of <strong>minutes</strong> you wish the page to remain -cached between refreshes.</p> -<p>The above tag can go anywhere within a method. It is not affected by -the order that it appears, so place it wherever it seems most logical to -you. Once the tag is in place, your pages will begin being cached.</p> -<div class="admonition important"> -<p class="first admonition-title">Important</p> -<p class="last">Because of the way CodeIgniter stores content for output, -caching will only work if you are generating display for your -controller with a <a class="reference internal" href="views.html"><em>view</em></a>.</p> -</div> -<div class="admonition important"> -<p class="first admonition-title">Important</p> -<p class="last">If you change configuration options that might affect -your output, you have to manually delete your cache files.</p> -</div> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">Before the cache files can be written you must set the file -permissions on your <em>application/cache/</em> directory such that -it is writable.</p> -</div> -</div> -<div class="section" id="deleting-caches"> -<h2>Deleting Caches<a class="headerlink" href="#deleting-caches" title="Permalink to this headline">¶</a></h2> -<p>If you no longer wish to cache a file you can remove the caching tag and -it will no longer be refreshed when it expires.</p> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">Removing the tag will not delete the cache immediately. It will -have to expire normally.</p> -</div> -<p>If you need to manually delete the cache, you can use the <tt class="docutils literal"><span class="pre">delete_cache()</span></tt> -method:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="c1">// Deletes cache for the currently requested URI</span> -<span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">delete_cache</span><span class="p">();</span> - -<span class="c1">// Deletes cache for /foo/bar</span> -<span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">delete_cache</span><span class="p">(</span><span class="s1">'/foo/bar'</span><span class="p">);</span> -</pre></div> -</div> -</div> -</div> - - - </div> - <footer> - - <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> - - <a href="profiling.html" class="btn btn-neutral float-right" title="Profiling Your Application">Next <span class="fa fa-arrow-circle-right"></span></a> - - - <a href="errors.html" class="btn btn-neutral" title="Error Handling"><span class="fa fa-arrow-circle-left"></span> Previous</a> - - </div> - - - <hr/> - - <div role="contentinfo"> - <p> - © Copyright 2014 - 2017, British Columbia Institute of Technology. - Last updated on Jun 19, 2017. - </p> - </div> - - Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. - -</footer> - </div> - </div> - - </section> - - </div> - - - - - - <script type="text/javascript"> - var DOCUMENTATION_OPTIONS = { - URL_ROOT:'../', - VERSION:'3.1.5', - COLLAPSE_INDEX:false, - FILE_SUFFIX:'.html', - HAS_SOURCE: false - }; - </script> - <script type="text/javascript" src="../_static/jquery.js"></script> - <script type="text/javascript" src="../_static/underscore.js"></script> - <script type="text/javascript" src="../_static/doctools.js"></script> - - - - - - <script type="text/javascript" src="../_static/js/theme.js"></script> - - - - - <script type="text/javascript"> - jQuery(function () { - SphinxRtdTheme.StickyNav.enable(); - }); - </script> - - -</body> -</html>
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