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diff --git a/user_guide/database/examples.html b/user_guide/database/examples.html deleted file mode 100644 index bc1a46c4f..000000000 --- a/user_guide/database/examples.html +++ /dev/null @@ -1,597 +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>Database Quick Start: Example Code — CodeIgniter 3.1.9 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="index" title="Index" - href="../genindex.html"/> - <link 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-<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="index.html">Database Reference</a> »</li> - - <li>Database Quick Start: Example Code</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="database-quick-start-example-code"> -<h1>Database Quick Start: Example Code<a class="headerlink" href="#database-quick-start-example-code" title="Permalink to this headline">¶</a></h1> -<p>The following page contains example code showing how the database class -is used. For complete details please read the individual pages -describing each function.</p> -<div class="section" id="initializing-the-database-class"> -<h2>Initializing the Database Class<a class="headerlink" href="#initializing-the-database-class" title="Permalink to this headline">¶</a></h2> -<p>The following code loads and initializes the database class based on -your <a class="reference internal" href="configuration.html"><span class="doc">configuration</span></a> settings:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">database</span><span class="p">();</span> -</pre></div> -</div> -<p>Once loaded the class is ready to be used as described below.</p> -<p>Note: If all your pages require database access you can connect -automatically. See the <a class="reference internal" href="connecting.html"><span class="doc">connecting</span></a> page for details.</p> -</div> -<div class="section" id="standard-query-with-multiple-results-object-version"> -<h2>Standard Query With Multiple Results (Object Version)<a class="headerlink" href="#standard-query-with-multiple-results-object-version" title="Permalink to this headline">¶</a></h2> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">query</span><span class="p">(</span><span class="s1">'SELECT name, title, email FROM my_table'</span><span class="p">);</span> - -<span class="k">foreach</span> <span class="p">(</span><span class="nv">$query</span><span class="o">-></span><span class="na">result</span><span class="p">()</span> <span class="k">as</span> <span class="nv">$row</span><span class="p">)</span> -<span class="p">{</span> - <span class="k">echo</span> <span class="nv">$row</span><span class="o">-></span><span class="na">title</span><span class="p">;</span> - <span class="k">echo</span> <span class="nv">$row</span><span class="o">-></span><span class="na">name</span><span class="p">;</span> - <span class="k">echo</span> <span class="nv">$row</span><span class="o">-></span><span class="na">email</span><span class="p">;</span> -<span class="p">}</span> - -<span class="k">echo</span> <span class="s1">'Total Results: '</span> <span class="o">.</span> <span class="nv">$query</span><span class="o">-></span><span class="na">num_rows</span><span class="p">();</span> -</pre></div> -</div> -<p>The above result() function returns an array of <strong>objects</strong>. Example: -$row->title</p> -</div> -<div class="section" id="standard-query-with-multiple-results-array-version"> -<h2>Standard Query With Multiple Results (Array Version)<a class="headerlink" href="#standard-query-with-multiple-results-array-version" title="Permalink to this headline">¶</a></h2> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">query</span><span class="p">(</span><span class="s1">'SELECT name, title, email FROM my_table'</span><span class="p">);</span> - -<span class="k">foreach</span> <span class="p">(</span><span class="nv">$query</span><span class="o">-></span><span class="na">result_array</span><span class="p">()</span> <span class="k">as</span> <span class="nv">$row</span><span class="p">)</span> -<span class="p">{</span> - <span class="k">echo</span> <span class="nv">$row</span><span class="p">[</span><span class="s1">'title'</span><span class="p">];</span> - <span class="k">echo</span> <span class="nv">$row</span><span class="p">[</span><span class="s1">'name'</span><span class="p">];</span> - <span class="k">echo</span> <span class="nv">$row</span><span class="p">[</span><span class="s1">'email'</span><span class="p">];</span> -<span class="p">}</span> -</pre></div> -</div> -<p>The above result_array() function returns an array of standard array -indexes. Example: $row[‘title’]</p> -</div> -<div class="section" id="standard-query-with-single-result"> -<h2>Standard Query With Single Result<a class="headerlink" href="#standard-query-with-single-result" title="Permalink to this headline">¶</a></h2> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">query</span><span class="p">(</span><span class="s1">'SELECT name FROM my_table LIMIT 1'</span><span class="p">);</span> -<span class="nv">$row</span> <span class="o">=</span> <span class="nv">$query</span><span class="o">-></span><span class="na">row</span><span class="p">();</span> -<span class="k">echo</span> <span class="nv">$row</span><span class="o">-></span><span class="na">name</span><span class="p">;</span> -</pre></div> -</div> -<p>The above row() function returns an <strong>object</strong>. Example: $row->name</p> -</div> -<div class="section" id="standard-query-with-single-result-array-version"> -<h2>Standard Query With Single Result (Array version)<a class="headerlink" href="#standard-query-with-single-result-array-version" title="Permalink to this headline">¶</a></h2> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">query</span><span class="p">(</span><span class="s1">'SELECT name FROM my_table LIMIT 1'</span><span class="p">);</span> -<span class="nv">$row</span> <span class="o">=</span> <span class="nv">$query</span><span class="o">-></span><span class="na">row_array</span><span class="p">();</span> -<span class="k">echo</span> <span class="nv">$row</span><span class="p">[</span><span class="s1">'name'</span><span class="p">];</span> -</pre></div> -</div> -<p>The above row_array() function returns an <strong>array</strong>. Example: -$row[‘name’]</p> -</div> -<div class="section" id="standard-insert"> -<h2>Standard Insert<a class="headerlink" href="#standard-insert" title="Permalink to this headline">¶</a></h2> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$sql</span> <span class="o">=</span> <span class="s2">"INSERT INTO mytable (title, name) VALUES ("</span><span class="o">.</span><span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">escape</span><span class="p">(</span><span class="nv">$title</span><span class="p">)</span><span class="o">.</span><span class="s2">", "</span><span class="o">.</span><span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">escape</span><span class="p">(</span><span class="nv">$name</span><span class="p">)</span><span class="o">.</span><span class="s2">")"</span><span class="p">;</span> -<span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">query</span><span class="p">(</span><span class="nv">$sql</span><span class="p">);</span> -<span class="k">echo</span> <span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">affected_rows</span><span class="p">();</span> -</pre></div> -</div> -</div> -<div class="section" id="query-builder-query"> -<h2>Query Builder Query<a class="headerlink" href="#query-builder-query" title="Permalink to this headline">¶</a></h2> -<p>The <a class="reference internal" href="query_builder.html"><span class="doc">Query Builder Pattern</span></a> gives you a simplified -means of retrieving data:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">get</span><span class="p">(</span><span class="s1">'table_name'</span><span class="p">);</span> - -<span class="k">foreach</span> <span class="p">(</span><span class="nv">$query</span><span class="o">-></span><span class="na">result</span><span class="p">()</span> <span class="k">as</span> <span class="nv">$row</span><span class="p">)</span> -<span class="p">{</span> - <span class="k">echo</span> <span class="nv">$row</span><span class="o">-></span><span class="na">title</span><span class="p">;</span> -<span class="p">}</span> -</pre></div> -</div> -<p>The above get() function retrieves all the results from the supplied -table. The <a class="reference internal" href="query_builder.html"><span class="doc">Query Builder</span></a> class contains a full -compliment of functions for working with data.</p> -</div> -<div class="section" id="query-builder-insert"> -<h2>Query Builder Insert<a class="headerlink" href="#query-builder-insert" title="Permalink to this headline">¶</a></h2> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> - <span class="s1">'title'</span> <span class="o">=></span> <span class="nv">$title</span><span class="p">,</span> - <span class="s1">'name'</span> <span class="o">=></span> <span class="nv">$name</span><span class="p">,</span> - <span class="s1">'date'</span> <span class="o">=></span> <span class="nv">$date</span> -<span class="p">);</span> - -<span class="nv">$this</span><span class="o">-></span><span class="na">db</span><span class="o">-></span><span class="na">insert</span><span class="p">(</span><span class="s1">'mytable'</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span> <span class="c1">// Produces: INSERT INTO mytable (title, name, date) VALUES ('{$title}', '{$name}', '{$date}')</span> -</pre></div> -</div> -</div> -</div> - - - </div> - <footer> - - <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> - - <a href="configuration.html" class="btn btn-neutral float-right" title="Database Configuration">Next <span class="fa fa-arrow-circle-right"></span></a> - - - <a href="index.html" class="btn btn-neutral" title="Database Reference"><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 - }; - </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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