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diff --git a/user_guide/libraries/cart.html b/user_guide/libraries/cart.html deleted file mode 100644 index 4e53a9287..000000000 --- a/user_guide/libraries/cart.html +++ /dev/null @@ -1,1025 +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>Shopping Cart Class — CodeIgniter 3.1.10 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 rel="search" title="Search" href="../search.html"/> - <link rel="top" title="CodeIgniter 3.1.10 documentation" href="../index.html"/> - <link rel="up" title="Libraries" href="index.html"/> - <link rel="next" title="Config Class" href="config.html"/> - <link rel="prev" title="Calendaring Class" href="calendar.html"/> - - - <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script> - -</head> - -<body class="wy-body-for-nav" role="document"> - - <div id="nav"> - <div id="nav_inner"> - - - - <div id="pulldown-menu" class="ciNav"> - <ul> -<li class="toctree-l1"><a class="reference internal" href="../general/welcome.html">Welcome to CodeIgniter</a></li> -</ul> -<ul> -<li class="toctree-l1"><a class="reference internal" href="../installation/index.html">Installation Instructions</a><ul> -<li class="toctree-l2"><a class="reference internal" href="../installation/downloads.html">Downloading CodeIgniter</a></li> -<li class="toctree-l2"><a class="reference internal" 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-<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">Libraries</a> »</li> - - <li>Shopping Cart Class</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="shopping-cart-class"> -<h1>Shopping Cart Class<a class="headerlink" href="#shopping-cart-class" title="Permalink to this headline">¶</a></h1> -<p>The Cart Class permits items to be added to a session that stays active -while a user is browsing your site. These items can be retrieved and -displayed in a standard “shopping cart” format, allowing the user to -update the quantity or remove items from the cart.</p> -<div class="admonition important"> -<p class="first admonition-title">Important</p> -<p class="last">The Cart library is DEPRECATED and should not be used. -It is currently only kept for backwards compatibility.</p> -</div> -<p>Please note that the Cart Class ONLY provides the core “cart” -functionality. It does not provide shipping, credit card authorization, -or other processing components.</p> -<div class="contents local topic" id="contents"> -<ul class="simple"> -<li><a class="reference internal" href="#using-the-cart-class" id="id1">Using the Cart Class</a><ul> -<li><a class="reference internal" href="#initializing-the-shopping-cart-class" id="id2">Initializing the Shopping Cart Class</a></li> -<li><a class="reference internal" href="#adding-an-item-to-the-cart" id="id3">Adding an Item to The Cart</a></li> -<li><a class="reference internal" href="#adding-multiple-items-to-the-cart" id="id4">Adding Multiple Items to The Cart</a></li> -<li><a class="reference internal" href="#displaying-the-cart" id="id5">Displaying the Cart</a></li> -<li><a class="reference internal" href="#updating-the-cart" id="id6">Updating The Cart</a><ul> -<li><a class="reference internal" href="#what-is-a-row-id" id="id7">What is a Row ID?</a></li> -</ul> -</li> -</ul> -</li> -<li><a class="reference internal" href="#class-reference" id="id8">Class Reference</a></li> -</ul> -</div> -<div class="custom-index container"></div><div class="section" id="using-the-cart-class"> -<h2><a class="toc-backref" href="#id1">Using the Cart Class</a><a class="headerlink" href="#using-the-cart-class" title="Permalink to this headline">¶</a></h2> -<div class="section" id="initializing-the-shopping-cart-class"> -<h3><a class="toc-backref" href="#id2">Initializing the Shopping Cart Class</a><a class="headerlink" href="#initializing-the-shopping-cart-class" title="Permalink to this headline">¶</a></h3> -<div class="admonition important"> -<p class="first admonition-title">Important</p> -<p class="last">The Cart class utilizes CodeIgniter’s <a class="reference internal" href="sessions.html"><span class="doc">Session -Class</span></a> to save the cart information to a database, so -before using the Cart class you must set up a database table as -indicated in the <a class="reference internal" href="sessions.html"><span class="doc">Session Documentation</span></a>, and set the -session preferences in your application/config/config.php file to -utilize a database.</p> -</div> -<p>To initialize the Shopping Cart Class in your controller constructor, -use the <code class="docutils literal"><span class="pre">$this->load->library()</span></code> method:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">library</span><span class="p">(</span><span class="s1">'cart'</span><span class="p">);</span> -</pre></div> -</div> -<p>Once loaded, the Cart object will be available using:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">cart</span> -</pre></div> -</div> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">The Cart Class will load and initialize the Session Class -automatically, so unless you are using sessions elsewhere in your -application, you do not need to load the Session class.</p> -</div> -</div> -<div class="section" id="adding-an-item-to-the-cart"> -<h3><a class="toc-backref" href="#id3">Adding an Item to The Cart</a><a class="headerlink" href="#adding-an-item-to-the-cart" title="Permalink to this headline">¶</a></h3> -<p>To add an item to the shopping cart, simply pass an array with the -product information to the <code class="docutils literal"><span class="pre">$this->cart->insert()</span></code> method, as shown -below:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> - <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'sku_123ABC'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">1</span><span class="p">,</span> - <span class="s1">'price'</span> <span class="o">=></span> <span class="mf">39.95</span><span class="p">,</span> - <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'T-Shirt'</span><span class="p">,</span> - <span class="s1">'options'</span> <span class="o">=></span> <span class="k">array</span><span class="p">(</span><span class="s1">'Size'</span> <span class="o">=></span> <span class="s1">'L'</span><span class="p">,</span> <span class="s1">'Color'</span> <span class="o">=></span> <span class="s1">'Red'</span><span class="p">)</span> -<span class="p">);</span> - -<span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">insert</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> -</pre></div> -</div> -<div class="admonition important"> -<p class="first admonition-title">Important</p> -<p class="last">The first four array indexes above (id, qty, price, and -name) are <strong>required</strong>. If you omit any of them the data will not be -saved to the cart. The fifth index (options) is optional. It is intended -to be used in cases where your product has options associated with it. -Use an array for options, as shown above.</p> -</div> -<p>The five reserved indexes are:</p> -<ul class="simple"> -<li><strong>id</strong> - Each product in your store must have a unique identifier. -Typically this will be an “sku” or other such identifier.</li> -<li><strong>qty</strong> - The quantity being purchased.</li> -<li><strong>price</strong> - The price of the item.</li> -<li><strong>name</strong> - The name of the item.</li> -<li><strong>options</strong> - Any additional attributes that are needed to identify -the product. These must be passed via an array.</li> -</ul> -<p>In addition to the five indexes above, there are two reserved words: -rowid and subtotal. These are used internally by the Cart class, so -please do NOT use those words as index names when inserting data into -the cart.</p> -<p>Your array may contain additional data. Anything you include in your -array will be stored in the session. However, it is best to standardize -your data among all your products in order to make displaying the -information in a table easier.</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> - <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'sku_123ABC'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">1</span><span class="p">,</span> - <span class="s1">'price'</span> <span class="o">=></span> <span class="mf">39.95</span><span class="p">,</span> - <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'T-Shirt'</span><span class="p">,</span> - <span class="s1">'coupon'</span> <span class="o">=></span> <span class="s1">'XMAS-50OFF'</span> -<span class="p">);</span> - -<span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">insert</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> -</pre></div> -</div> -<p>The <code class="docutils literal"><span class="pre">insert()</span></code> method will return the $rowid if you successfully insert a -single item.</p> -</div> -<div class="section" id="adding-multiple-items-to-the-cart"> -<h3><a class="toc-backref" href="#id4">Adding Multiple Items to The Cart</a><a class="headerlink" href="#adding-multiple-items-to-the-cart" title="Permalink to this headline">¶</a></h3> -<p>By using a multi-dimensional array, as shown below, it is possible to -add multiple products to the cart in one action. This is useful in cases -where you wish to allow people to select from among several items on the -same page.</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> - <span class="k">array</span><span class="p">(</span> - <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'sku_123ABC'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">1</span><span class="p">,</span> - <span class="s1">'price'</span> <span class="o">=></span> <span class="mf">39.95</span><span class="p">,</span> - <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'T-Shirt'</span><span class="p">,</span> - <span class="s1">'options'</span> <span class="o">=></span> <span class="k">array</span><span class="p">(</span><span class="s1">'Size'</span> <span class="o">=></span> <span class="s1">'L'</span><span class="p">,</span> <span class="s1">'Color'</span> <span class="o">=></span> <span class="s1">'Red'</span><span class="p">)</span> - <span class="p">),</span> - <span class="k">array</span><span class="p">(</span> - <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'sku_567ZYX'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">1</span><span class="p">,</span> - <span class="s1">'price'</span> <span class="o">=></span> <span class="mf">9.95</span><span class="p">,</span> - <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'Coffee Mug'</span> - <span class="p">),</span> - <span class="k">array</span><span class="p">(</span> - <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'sku_965QRS'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">1</span><span class="p">,</span> - <span class="s1">'price'</span> <span class="o">=></span> <span class="mf">29.95</span><span class="p">,</span> - <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'Shot Glass'</span> - <span class="p">)</span> -<span class="p">);</span> - -<span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">insert</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> -</pre></div> -</div> -</div> -<div class="section" id="displaying-the-cart"> -<h3><a class="toc-backref" href="#id5">Displaying the Cart</a><a class="headerlink" href="#displaying-the-cart" title="Permalink to this headline">¶</a></h3> -<p>To display the cart you will create a <a class="reference internal" href="../general/views.html"><span class="doc">view -file</span></a> with code similar to the one shown below.</p> -<p>Please note that this example uses the <a class="reference internal" href="../helpers/form_helper.html"><span class="doc">form -helper</span></a>.</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nx">form_open</span><span class="p">(</span><span class="s1">'path/to/controller/update/method'</span><span class="p">);</span> <span class="cp">?></span> - -<span class="p"><</span><span class="nt">table</span> <span class="na">cellpadding</span><span class="o">=</span><span class="s">"6"</span> <span class="na">cellspacing</span><span class="o">=</span><span class="s">"1"</span> <span class="na">style</span><span class="o">=</span><span class="s">"width:100%"</span> <span class="na">border</span><span class="o">=</span><span class="s">"0"</span><span class="p">></span> - -<span class="p"><</span><span class="nt">tr</span><span class="p">></span> - <span class="p"><</span><span class="nt">th</span><span class="p">></span>QTY<span class="p"></</span><span class="nt">th</span><span class="p">></span> - <span class="p"><</span><span class="nt">th</span><span class="p">></span>Item Description<span class="p"></</span><span class="nt">th</span><span class="p">></span> - <span class="p"><</span><span class="nt">th</span> <span class="na">style</span><span class="o">=</span><span class="s">"text-align:right"</span><span class="p">></span>Item Price<span class="p"></</span><span class="nt">th</span><span class="p">></span> - <span class="p"><</span><span class="nt">th</span> <span class="na">style</span><span class="o">=</span><span class="s">"text-align:right"</span><span class="p">></span>Sub-Total<span class="p"></</span><span class="nt">th</span><span class="p">></span> -<span class="p"></</span><span class="nt">tr</span><span class="p">></span> - -<span class="cp"><?php</span> <span class="nv">$i</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="cp">?></span> - -<span class="cp"><?php</span> <span class="k">foreach</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">contents</span><span class="p">()</span> <span class="k">as</span> <span class="nv">$items</span><span class="p">)</span><span class="o">:</span> <span class="cp">?></span> - - <span class="cp"><?php</span> <span class="k">echo</span> <span class="nx">form_hidden</span><span class="p">(</span><span class="nv">$i</span><span class="o">.</span><span class="s1">'[rowid]'</span><span class="p">,</span> <span class="nv">$items</span><span class="p">[</span><span class="s1">'rowid'</span><span class="p">]);</span> <span class="cp">?></span> - - <span class="p"><</span><span class="nt">tr</span><span class="p">></span> - <span class="p"><</span><span class="nt">td</span><span class="p">></span><span class="cp"><?php</span> <span class="k">echo</span> <span class="nx">form_input</span><span class="p">(</span><span class="k">array</span><span class="p">(</span><span class="s1">'name'</span> <span class="o">=></span> <span class="nv">$i</span><span class="o">.</span><span class="s1">'[qty]'</span><span class="p">,</span> <span class="s1">'value'</span> <span class="o">=></span> <span class="nv">$items</span><span class="p">[</span><span class="s1">'qty'</span><span class="p">],</span> <span class="s1">'maxlength'</span> <span class="o">=></span> <span class="s1">'3'</span><span class="p">,</span> <span class="s1">'size'</span> <span class="o">=></span> <span class="s1">'5'</span><span class="p">));</span> <span class="cp">?></span><span class="p"></</span><span class="nt">td</span><span class="p">></span> - <span class="p"><</span><span class="nt">td</span><span class="p">></span> - <span class="cp"><?php</span> <span class="k">echo</span> <span class="nv">$items</span><span class="p">[</span><span class="s1">'name'</span><span class="p">];</span> <span class="cp">?></span> - - <span class="cp"><?php</span> <span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">has_options</span><span class="p">(</span><span class="nv">$items</span><span class="p">[</span><span class="s1">'rowid'</span><span class="p">])</span> <span class="o">==</span> <span class="k">TRUE</span><span class="p">)</span><span class="o">:</span> <span class="cp">?></span> - - <span class="p"><</span><span class="nt">p</span><span class="p">></span> - <span class="cp"><?php</span> <span class="k">foreach</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">product_options</span><span class="p">(</span><span class="nv">$items</span><span class="p">[</span><span class="s1">'rowid'</span><span class="p">])</span> <span class="k">as</span> <span class="nv">$option_name</span> <span class="o">=></span> <span class="nv">$option_value</span><span class="p">)</span><span class="o">:</span> <span class="cp">?></span> - - <span class="p"><</span><span class="nt">strong</span><span class="p">></span><span class="cp"><?php</span> <span class="k">echo</span> <span class="nv">$option_name</span><span class="p">;</span> <span class="cp">?></span>:<span class="p"></</span><span class="nt">strong</span><span class="p">></span> <span class="cp"><?php</span> <span class="k">echo</span> <span class="nv">$option_value</span><span class="p">;</span> <span class="cp">?></span><span class="p"><</span><span class="nt">br</span> <span class="p">/></span> - - <span class="cp"><?php</span> <span class="k">endforeach</span><span class="p">;</span> <span class="cp">?></span> - <span class="p"></</span><span class="nt">p</span><span class="p">></span> - - <span class="cp"><?php</span> <span class="k">endif</span><span class="p">;</span> <span class="cp">?></span> - - <span class="p"></</span><span class="nt">td</span><span class="p">></span> - <span class="p"><</span><span class="nt">td</span> <span class="na">style</span><span class="o">=</span><span class="s">"text-align:right"</span><span class="p">></span><span class="cp"><?php</span> <span class="k">echo</span> <span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">format_number</span><span class="p">(</span><span class="nv">$items</span><span class="p">[</span><span class="s1">'price'</span><span class="p">]);</span> <span class="cp">?></span><span class="p"></</span><span class="nt">td</span><span class="p">></span> - <span class="p"><</span><span class="nt">td</span> <span class="na">style</span><span class="o">=</span><span class="s">"text-align:right"</span><span class="p">></span>$<span class="cp"><?php</span> <span class="k">echo</span> <span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">format_number</span><span class="p">(</span><span class="nv">$items</span><span class="p">[</span><span class="s1">'subtotal'</span><span class="p">]);</span> <span class="cp">?></span><span class="p"></</span><span class="nt">td</span><span class="p">></span> - <span class="p"></</span><span class="nt">tr</span><span class="p">></span> - -<span class="cp"><?php</span> <span class="nv">$i</span><span class="o">++</span><span class="p">;</span> <span class="cp">?></span> - -<span class="cp"><?php</span> <span class="k">endforeach</span><span class="p">;</span> <span class="cp">?></span> - -<span class="p"><</span><span class="nt">tr</span><span class="p">></span> - <span class="p"><</span><span class="nt">td</span> <span class="na">colspan</span><span class="o">=</span><span class="s">"2"</span><span class="p">></span> <span class="p"></</span><span class="nt">td</span><span class="p">></span> - <span class="p"><</span><span class="nt">td</span> <span class="na">class</span><span class="o">=</span><span class="s">"right"</span><span class="p">><</span><span class="nt">strong</span><span class="p">></span>Total<span class="p"></</span><span class="nt">strong</span><span class="p">></</span><span class="nt">td</span><span class="p">></span> - <span class="p"><</span><span class="nt">td</span> <span class="na">class</span><span class="o">=</span><span class="s">"right"</span><span class="p">></span>$<span class="cp"><?php</span> <span class="k">echo</span> <span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">format_number</span><span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">total</span><span class="p">());</span> <span class="cp">?></span><span class="p"></</span><span class="nt">td</span><span class="p">></span> -<span class="p"></</span><span class="nt">tr</span><span class="p">></span> - -<span class="p"></</span><span class="nt">table</span><span class="p">></span> - -<span class="p"><</span><span class="nt">p</span><span class="p">></span><span class="cp"><?php</span> <span class="k">echo</span> <span class="nx">form_submit</span><span class="p">(</span><span class="s1">''</span><span class="p">,</span> <span class="s1">'Update your Cart'</span><span class="p">);</span> <span class="cp">?></span><span class="p"></</span><span class="nt">p</span><span class="p">></span> -</pre></div> -</div> -</div> -<div class="section" id="updating-the-cart"> -<h3><a class="toc-backref" href="#id6">Updating The Cart</a><a class="headerlink" href="#updating-the-cart" title="Permalink to this headline">¶</a></h3> -<p>To update the information in your cart, you must pass an array -containing the Row ID and one or more pre-defined properties to the -<code class="docutils literal"><span class="pre">$this->cart->update()</span></code> method.</p> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">If the quantity is set to zero, the item will be removed from -the cart.</p> -</div> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> - <span class="s1">'rowid'</span> <span class="o">=></span> <span class="s1">'b99ccdf16028f015540f341130b6d8ec'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">3</span> -<span class="p">);</span> - -<span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">update</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> - -<span class="c1">// Or a multi-dimensional array</span> - -<span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> - <span class="k">array</span><span class="p">(</span> - <span class="s1">'rowid'</span> <span class="o">=></span> <span class="s1">'b99ccdf16028f015540f341130b6d8ec'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">3</span> - <span class="p">),</span> - <span class="k">array</span><span class="p">(</span> - <span class="s1">'rowid'</span> <span class="o">=></span> <span class="s1">'xw82g9q3r495893iajdh473990rikw23'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">4</span> - <span class="p">),</span> - <span class="k">array</span><span class="p">(</span> - <span class="s1">'rowid'</span> <span class="o">=></span> <span class="s1">'fh4kdkkkaoe30njgoe92rkdkkobec333'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">2</span> - <span class="p">)</span> -<span class="p">);</span> - -<span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">update</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> -</pre></div> -</div> -<p>You may also update any property you have previously defined when -inserting the item such as options, price or other custom fields.</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> - <span class="s1">'rowid'</span> <span class="o">=></span> <span class="s1">'b99ccdf16028f015540f341130b6d8ec'</span><span class="p">,</span> - <span class="s1">'qty'</span> <span class="o">=></span> <span class="mi">1</span><span class="p">,</span> - <span class="s1">'price'</span> <span class="o">=></span> <span class="mf">49.95</span><span class="p">,</span> - <span class="s1">'coupon'</span> <span class="o">=></span> <span class="k">NULL</span> -<span class="p">);</span> - -<span class="nv">$this</span><span class="o">-></span><span class="na">cart</span><span class="o">-></span><span class="na">update</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> -</pre></div> -</div> -<div class="section" id="what-is-a-row-id"> -<h4><a class="toc-backref" href="#id7">What is a Row ID?</a><a class="headerlink" href="#what-is-a-row-id" title="Permalink to this headline">¶</a></h4> -<p>The row ID is a unique identifier that is generated by the cart code -when an item is added to the cart. The reason a unique ID is created -is so that identical products with different options can be managed -by the cart.</p> -<p>For example, let’s say someone buys two identical t-shirts (same product -ID), but in different sizes. The product ID (and other attributes) will -be identical for both sizes because it’s the same shirt. The only -difference will be the size. The cart must therefore have a means of -identifying this difference so that the two sizes of shirts can be -managed independently. It does so by creating a unique “row ID” based on -the product ID and any options associated with it.</p> -<p>In nearly all cases, updating the cart will be something the user does -via the “view cart” page, so as a developer, it is unlikely that you -will ever have to concern yourself with the “row ID”, other than making -sure your “view cart” page contains this information in a hidden form -field, and making sure it gets passed to the <code class="docutils literal"><span class="pre">update()</span></code> method when -the update form is submitted. Please examine the construction of the -“view cart” page above for more information.</p> -</div> -</div> -</div> -<div class="section" id="class-reference"> -<h2><a class="toc-backref" href="#id8">Class Reference</a><a class="headerlink" href="#class-reference" title="Permalink to this headline">¶</a></h2> -<dl class="class"> -<dt id="CI_Cart"> -<em class="property">class </em><code class="descname">CI_Cart</code><a class="headerlink" href="#CI_Cart" title="Permalink to this definition">¶</a></dt> -<dd><dl class="attribute"> -<dt> -<code class="descname">$product_id_rules = '.a-z0-9_-'</code></dt> -<dd><p>These are the regular expression rules that we use to validate the product -ID - alpha-numeric, dashes, underscores, or periods by default</p> -</dd></dl> - -<dl class="attribute"> -<dt> -<code class="descname">$product_name_rules = 'w -.:'</code></dt> -<dd><p>These are the regular expression rules that we use to validate the product ID and product name - alpha-numeric, dashes, underscores, colons or periods by -default</p> -</dd></dl> - -<dl class="attribute"> -<dt> -<code class="descname">$product_name_safe = TRUE</code></dt> -<dd><p>Whether or not to only allow safe product names. Default TRUE.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::insert"> -<code class="descname">insert</code><span class="sig-paren">(</span><span class="optional">[</span><em>$items = array()</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::insert" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$items</strong> (<em>array</em>) – Items to insert into the cart</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE on success, FALSE on failure</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> -<p>Insert items into the cart and save it to the session table. Returns TRUE -on success and FALSE on failure.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::update"> -<code class="descname">update</code><span class="sig-paren">(</span><span class="optional">[</span><em>$items = array()</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::update" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$items</strong> (<em>array</em>) – Items to update in the cart</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE on success, FALSE on failure</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> -<p>This method permits changing the properties of a given item. -Typically it is called from the “view cart” page if a user makes changes -to the quantity before checkout. That array must contain the rowid -for each item.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::remove"> -<code class="descname">remove</code><span class="sig-paren">(</span><em>$rowid</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::remove" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$rowid</strong> (<em>int</em>) – ID of the item to remove from the cart</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE on success, FALSE on failure</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> -<p>Allows you to remove an item from the shopping cart by passing it the -<code class="docutils literal"><span class="pre">$rowid</span></code>.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::total"> -<code class="descname">total</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::total" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Total amount</td> -</tr> -<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">int</td> -</tr> -</tbody> -</table> -<p>Displays the total amount in the cart.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::total_items"> -<code class="descname">total_items</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::total_items" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Total amount of items in the cart</td> -</tr> -<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">int</td> -</tr> -</tbody> -</table> -<p>Displays the total number of items in the cart.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::contents"> -<code class="descname">contents</code><span class="sig-paren">(</span><span class="optional">[</span><em>$newest_first = FALSE</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::contents" 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">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$newest_first</strong> (<em>bool</em>) – Whether to order the array with newest items first</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An array of cart contents</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">array</p> -</td> -</tr> -</tbody> -</table> -<p>Returns an array containing everything in the cart. You can sort the -order by which the array is returned by passing it TRUE where the contents -will be sorted from newest to oldest, otherwise it is sorted from oldest -to newest.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::get_item"> -<code class="descname">get_item</code><span class="sig-paren">(</span><em>$row_id</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::get_item" 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">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$row_id</strong> (<em>int</em>) – Row ID to retrieve</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Array of item data</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">array</p> -</td> -</tr> -</tbody> -</table> -<p>Returns an array containing data for the item matching the specified row -ID, or FALSE if no such item exists.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::has_options"> -<code class="descname">has_options</code><span class="sig-paren">(</span><em>$row_id = ''</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::has_options" 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">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$row_id</strong> (<em>int</em>) – Row ID to inspect</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE if options exist, FALSE otherwise</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p> -</td> -</tr> -</tbody> -</table> -<p>Returns TRUE (boolean) if a particular row in the cart contains options. -This method is designed to be used in a loop with <code class="docutils literal"><span class="pre">contents()</span></code>, since -you must pass the rowid to this method, as shown in the Displaying -the Cart example above.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::product_options"> -<code class="descname">product_options</code><span class="sig-paren">(</span><span class="optional">[</span><em>$row_id = ''</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::product_options" 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">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$row_id</strong> (<em>int</em>) – Row ID</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Array of product options</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">array</p> -</td> -</tr> -</tbody> -</table> -<p>Returns an array of options for a particular product. This method is -designed to be used in a loop with <code class="docutils literal"><span class="pre">contents()</span></code>, since you -must pass the rowid to this method, as shown in the Displaying the -Cart example above.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Cart::destroy"> -<code class="descname">destroy</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Cart::destroy" 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">Return type:</th><td class="field-body">void</td> -</tr> -</tbody> -</table> -<p>Permits you to destroy the cart. This method will likely be called -when you are finished processing the customer’s order.</p> -</dd></dl> - -</dd></dl> - -</div> -</div> - - - </div> - <footer> - - <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> - - <a href="config.html" class="btn btn-neutral float-right" title="Config Class">Next <span class="fa fa-arrow-circle-right"></span></a> - - - <a href="calendar.html" class="btn btn-neutral" title="Calendaring Class"><span class="fa fa-arrow-circle-left"></span> Previous</a> - - </div> - - - <hr/> - - <div role="contentinfo"> - <p> - © Copyright 2014 - 2019, British Columbia Institute of Technology. - Last updated on Jan 16, 2019. - </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:'3.1.10', - 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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