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href="../general/models.html">Models</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li> +</ul> +</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> + + </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="../contributing/index.html">Contributing to CodeIgniter</a> »</li> + + <li>Writing CodeIgniter Documentation</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="writing-codeigniter-documentation"> +<h1>Writing CodeIgniter Documentation<a class="headerlink" href="#writing-codeigniter-documentation" title="Permalink to this headline">¶</a></h1> +<p>CodeIgniter uses Sphinx to generate its documentation in a variety of formats, +using reStructuredText to handle the formatting. If you are familiar with +Markdown or Textile, you will quickly grasp reStructuredText. The focus is +on readability and user friendliness. +While they can be quite technical, we always write for humans!</p> +<p>A local table of contents should always be included, like the one below. +It is created automatically by inserting the following:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">..</span> <span class="nx">contents</span><span class="o">::</span> + <span class="o">:</span><span class="nx">local</span><span class="o">:</span> + +<span class="o">..</span> <span class="nx">raw</span><span class="o">::</span> <span class="na">html</span> + +<span class="o"><</span><span class="nx">div</span> <span class="nx">class</span><span class="o">=</span><span class="s2">"custom-index container"</span><span class="o">></</span><span class="nx">div</span><span class="o">></span> +</pre></div> +</div> +<div class="contents local topic" id="contents"> +<ul class="simple"> +<li><a class="reference internal" href="#tools-required" id="id1">Tools Required</a></li> +<li><a class="reference internal" href="#page-and-section-headings-and-subheadings" id="id2">Page and Section Headings and Subheadings</a></li> +<li><a class="reference internal" href="#method-documentation" id="id3">Method Documentation</a></li> +</ul> +</div> +<div class="custom-index container"></div><p>The <div> that is inserted as raw HTML is a hook for the documentation’s +JavaScript to dynamically add links to any function and method definitions +contained in the current page.</p> +<div class="section" id="tools-required"> +<h2><a class="toc-backref" href="#id1">Tools Required</a><a class="headerlink" href="#tools-required" title="Permalink to this headline">¶</a></h2> +<p>To see the rendered HTML, ePub, PDF, etc., you will need to install Sphinx +along with the PHP domain extension for Sphinx. The underlying requirement +is to have Python installed. Lastly, you will install the CI Lexer for +Pygments, so that code blocks can be properly highlighted.</p> +<div class="highlight-bash"><div class="highlight"><pre><span></span>easy_install <span class="s2">"sphinx==1.2.3"</span> +easy_install <span class="s2">"sphinxcontrib-phpdomain==0.1.3.post1"</span> +</pre></div> +</div> +<p>Then follow the directions in the README file in the <code class="samp docutils literal"><span class="pre">cilexer</span></code> folder +inside the documentation repository to install the CI Lexer.</p> +</div> +<div class="section" id="page-and-section-headings-and-subheadings"> +<h2><a class="toc-backref" href="#id2">Page and Section Headings and Subheadings</a><a class="headerlink" href="#page-and-section-headings-and-subheadings" title="Permalink to this headline">¶</a></h2> +<p>Headings not only provide order and sections within a page, but they also +are used to automatically build both the page and document table of contents. +Headings are formed by using certain characters as underlines for a bit of +text. Major headings, like page titles and section headings also use +overlines. Other headings just use underlines, with the following hierarchy:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="c1"># with overline for page titles</span> +<span class="o">*</span> <span class="nx">with</span> <span class="nx">overline</span> <span class="k">for</span> <span class="nx">major</span> <span class="nx">sections</span> +<span class="o">=</span> <span class="k">for</span> <span class="nx">subsections</span> +<span class="o">-</span> <span class="k">for</span> <span class="nx">subsubsections</span> +<span class="o">^</span> <span class="k">for</span> <span class="nx">subsubsubsections</span> +<span class="s2">" for subsubsubsubsections (!)</span> +</pre></div> +</div> +<p>The <a class="reference download internal" href="../_downloads/ELDocs.tmbundle.zip" download=""><code class="xref download docutils literal"><span class="pre">TextMate</span> <span class="pre">ELDocs</span> <span class="pre">Bundle</span></code></a> can help you +create these with the following tab triggers:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">title</span><span class="o">-></span> + + <span class="c1">##########</span> + <span class="nx">Page</span> <span class="nx">Title</span> + <span class="c1">##########</span> + +<span class="nx">sec</span><span class="o">-></span> + + <span class="o">*************</span> + <span class="nx">Major</span> <span class="nx">Section</span> + <span class="o">*************</span> + +<span class="nx">sub</span><span class="o">-></span> + + <span class="na">Subsection</span> + <span class="o">==========</span> + +<span class="nx">sss</span><span class="o">-></span> + + <span class="na">SubSubSection</span> + <span class="o">-------------</span> + +<span class="nx">ssss</span><span class="o">-></span> + + <span class="na">SubSubSubSection</span> + <span class="o">^^^^^^^^^^^^^^^^</span> + +<span class="nx">sssss</span><span class="o">-></span> + + <span class="na">SubSubSubSubSection</span> <span class="p">(</span><span class="o">!</span><span class="p">)</span> + <span class="s2">"""""""""""""""""""""""</span> +</pre></div> +</div> +</div> +<div class="section" id="method-documentation"> +<h2><a class="toc-backref" href="#id3">Method Documentation</a><a class="headerlink" href="#method-documentation" title="Permalink to this headline">¶</a></h2> +<p>When documenting class methods for third party developers, Sphinx provides +directives to assist and keep things simple. +For example, consider the following ReST:</p> +<div class="highlight-rst"><div class="highlight"><pre><span></span><span class="p">..</span> <span class="ow">php:class</span><span class="p">::</span> Some_class + +<span class="p"> ..</span> <span class="ow">php:method</span><span class="p">::</span> some_method ( $foo [, $bar [, $bat]]) + + This function will perform some action. The <span class="s">``$bar``</span> array must contain + a something and something else, and along with <span class="s">``$bat``</span> is an optional + parameter. + + <span class="nc">:param int $foo:</span> <span class="nf">the foo id to do something in</span> + <span class="nc">:param mixed $bar:</span> <span class="nf">A data array that must contain a something and something else</span> + <span class="nc">:param bool $bat:</span> <span class="nf">whether or not to do something</span> + <span class="nc">:returns:</span> <span class="nf">FALSE on failure, TRUE if successful</span> + <span class="nc">:rtype:</span> <span class="nf">bool</span> + + <span class="se">::</span> + +<span class="s"> $this->load->library('some_class');</span> + +<span class="s"> $bar = array(</span> +<span class="s"> 'something' => 'Here is this parameter!',</span> +<span class="s"> 'something_else' => 42</span> +<span class="s"> );</span> + +<span class="s"> $bat = $this->some_class->should_do_something();</span> + +<span class="s"> if ($this->some_class->some_method(4, $bar, $bat) === FALSE)</span> +<span class="s"> {</span> +<span class="s"> show_error('An Error Occurred Doing Some Method');</span> +<span class="s"> }</span> + +<span class="p"> ..</span> <span class="ow">note</span><span class="p">::</span> Here is something that you should be aware of when using some_method(). + For real. + + See also <span class="na">:meth:</span><span class="nv">`Some_class::should_do_something`</span> + + +<span class="p"> ..</span> <span class="ow">php:method</span><span class="p">::</span> should_do_something() + + <span class="nc">:returns:</span> <span class="nf">Whether or not something should be done</span> + <span class="nc">:rtype:</span> <span class="nf">bool</span> +</pre></div> +</div> +<p>It creates the following display:</p> +<dl class="class"> +<dt id="Some_class"> +<em class="property">class </em><code class="descname">Some_class</code><a class="headerlink" href="#Some_class" title="Permalink to this definition">¶</a></dt> +<dd><dl class="method"> +<dt id="Some_class::some_method"> +<code class="descname">some_method</code><span class="sig-paren">(</span><em>$foo</em><span class="optional">[</span>, <em>$bar</em><span class="optional">[</span>, <em>$bat</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#Some_class::some_method" title="Permalink to this definition">¶</a></dt> +<dd><p>This function will perform some action. The <code class="docutils literal"><span class="pre">$bar</span></code> array must contain +a something and something else, and along with <code class="docutils literal"><span class="pre">$bat</span></code> is an optional +parameter.</p> +<table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$foo</strong> (<em>int</em>) – the foo id to do something in</li> +<li><strong>$bar</strong> (<em>mixed</em>) – A data array that must contain a something and something else</li> +<li><strong>$bat</strong> (<em>bool</em>) – whether or not to do something</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">FALSE on failure, TRUE if successful</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p> +</td> +</tr> +</tbody> +</table> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">library</span><span class="p">(</span><span class="s1">'some_class'</span><span class="p">);</span> + +<span class="nv">$bar</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'something'</span> <span class="o">=></span> <span class="s1">'Here is this parameter!'</span><span class="p">,</span> + <span class="s1">'something_else'</span> <span class="o">=></span> <span class="mi">42</span> +<span class="p">);</span> + +<span class="nv">$bat</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">some_class</span><span class="o">-></span><span class="na">should_do_something</span><span class="p">();</span> + +<span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">some_class</span><span class="o">-></span><span class="na">some_method</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="nv">$bar</span><span class="p">,</span> <span class="nv">$bat</span><span class="p">)</span> <span class="o">===</span> <span class="k">FALSE</span><span class="p">)</span> +<span class="p">{</span> + <span class="nx">show_error</span><span class="p">(</span><span class="s1">'An Error Occurred Doing Some Method'</span><span class="p">);</span> +<span class="p">}</span> +</pre></div> +</div> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">Here is something that you should be aware of when using some_method(). +For real.</p> +</div> +<p>See also <code class="xref py py-meth docutils literal"><span class="pre">Some_class::should_do_something()</span></code></p> +</dd></dl> + +<dl class="method"> +<dt id="Some_class::should_do_something"> +<code class="descname">should_do_something</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#Some_class::should_do_something" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Whether or not something should be done</td> +</tr> +<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td> +</tr> +</tbody> +</table> +</dd></dl> + +</dd></dl> + +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> + + <a href="../DCO.html" class="btn btn-neutral float-right" title="Developer’s Certificate of Origin 1.1">Next <span class="fa fa-arrow-circle-right"></span></a> + + + <a href="../contributing/index.html" class="btn btn-neutral" title="Contributing to CodeIgniter"><span class="fa fa-arrow-circle-left"></span> Previous</a> + + </div> + + + <hr/> + + <div role="contentinfo"> + <p> + © Copyright 2014 - 2018, British Columbia Institute of Technology. + Last updated on Jun 12, 2018. + </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:'3.1.9', + COLLAPSE_INDEX:false, + FILE_SUFFIX:'.html', + HAS_SOURCE: false + }; 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