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  <div class="section" id="upgrading-from-1-2-to-1-3">
<h1>Upgrading from 1.2 to 1.3<a class="headerlink" href="#upgrading-from-1-2-to-1-3" title="Permalink to this headline">¶</a></h1>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">The instructions on this page assume you are running version
1.2. If you have not upgraded to that version please do so first.</p>
</div>
<p>Before performing an update you should take your site offline by
replacing the index.php file with a static one.</p>
<div class="section" id="step-1-update-your-codeigniter-files">
<h2>Step 1: Update your CodeIgniter files<a class="headerlink" href="#step-1-update-your-codeigniter-files" title="Permalink to this headline">¶</a></h2>
<p>Replace the following directories in your &#8220;system&#8221; folder with the new
versions:</p>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">If you have any custom developed files in these folders please
make copies of them first.</p>
</div>
<ul class="simple">
<li>application/<strong>models</strong>/ (new for 1.3)</li>
<li>codeigniter (new for 1.3)</li>
<li>drivers</li>
<li>helpers</li>
<li>init</li>
<li>language</li>
<li>libraries</li>
<li>plugins</li>
<li>scaffolding</li>
</ul>
</div>
<div class="section" id="step-2-update-your-error-files">
<h2>Step 2: Update your error files<a class="headerlink" href="#step-2-update-your-error-files" title="Permalink to this headline">¶</a></h2>
<p>Version 1.3 contains two new error templates located in
application/errors, and for naming consistency the other error templates
have been renamed.</p>
<p>If you <strong>have not</strong> customized any of the error templates simply replace
this folder:</p>
<ul class="simple">
<li>application/errors/</li>
</ul>
<p>If you <strong>have</strong> customized your error templates, rename them as follows:</p>
<ul class="simple">
<li>404.php = error_404.php</li>
<li>error.php = error_general.php</li>
<li>error_db.php (new)</li>
<li>error_php.php (new)</li>
</ul>
</div>
<div class="section" id="step-3-update-your-index-php-file">
<h2>Step 3: Update your index.php file<a class="headerlink" href="#step-3-update-your-index-php-file" title="Permalink to this headline">¶</a></h2>
<p>Please open your main index.php file (located at your root). At the very
bottom of the file, change this:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">require_once</span> <span class="nx">BASEPATH</span><span class="o">.</span><span class="s1">&#39;libraries/Front_controller&#39;</span><span class="o">.</span><span class="nx">EXT</span><span class="p">;</span>
</pre></div>
</div>
<p>To this:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">require_once</span> <span class="nx">BASEPATH</span><span class="o">.</span><span class="s1">&#39;codeigniter/CodeIgniter&#39;</span><span class="o">.</span><span class="nx">EXT</span><span class="p">;</span>
</pre></div>
</div>
</div>
<div class="section" id="step-4-update-your-config-php-file">
<h2>Step 4: Update your config.php file<a class="headerlink" href="#step-4-update-your-config-php-file" title="Permalink to this headline">¶</a></h2>
<p>Open your application/config/config.php file and add these new items:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="cm">/*</span>
<span class="cm">|------------------------------------------------</span>
<span class="cm">| URL suffix</span>
<span class="cm">|------------------------------------------------</span>
<span class="cm">|</span>
<span class="cm">| This option allows you to add a suffix to all URLs.</span>
<span class="cm">| For example, if a URL is this:</span>
<span class="cm">|</span>
<span class="cm">| example.com/index.php/products/view/shoes</span>
<span class="cm">|</span>
<span class="cm">| You can optionally add a suffix, like &quot;.html&quot;,</span>
<span class="cm">| making the page appear to be of a certain type:</span>
<span class="cm">|</span>
<span class="cm">| example.com/index.php/products/view/shoes.html</span>
<span class="cm">|</span>
<span class="cm">*/</span>
<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;url_suffix&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>

<span class="cm">/*</span>
<span class="cm">|------------------------------------------------</span>
<span class="cm">| Enable Query Strings</span>
<span class="cm">|------------------------------------------------</span>
<span class="cm">|</span>
<span class="cm">| By default CodeIgniter uses search-engine and</span>
<span class="cm">| human-friendly segment based URLs:</span>
<span class="cm">|</span>
<span class="cm">| example.com/who/what/where/</span>
<span class="cm">|</span>
<span class="cm">| You can optionally enable standard query string</span>
<span class="cm">| based URLs:</span>
<span class="cm">|</span>
<span class="cm">| example.com?who=me&amp;what=something&amp;where=here</span>
<span class="cm">|</span>
<span class="cm">| Options are: TRUE or FALSE (boolean)</span>
<span class="cm">|</span>
<span class="cm">| The two other items let you set the query string &quot;words&quot;</span>
<span class="cm">| that will invoke your controllers and functions:</span>
<span class="cm">| example.com/index.php?c=controller&amp;m=function</span>
<span class="cm">|</span>
<span class="cm">*/</span>
<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;enable_query_strings&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">FALSE</span><span class="p">;</span>
<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;controller_trigger&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;c&#39;</span><span class="p">;</span>
<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;function_trigger&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;m&#39;</span><span class="p">;</span>
</pre></div>
</div>
</div>
<div class="section" id="step-5-update-your-database-php-file">
<h2>Step 5: Update your database.php file<a class="headerlink" href="#step-5-update-your-database-php-file" title="Permalink to this headline">¶</a></h2>
<p>Open your application/config/database.php file and add these new items:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$db</span><span class="p">[</span><span class="s1">&#39;default&#39;</span><span class="p">][</span><span class="s1">&#39;dbprefix&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
<span class="nv">$db</span><span class="p">[</span><span class="s1">&#39;default&#39;</span><span class="p">][</span><span class="s1">&#39;active_r&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">TRUE</span><span class="p">;</span>
</pre></div>
</div>
</div>
<div class="section" id="step-6-update-your-user-guide">
<h2>Step 6: Update your user guide<a class="headerlink" href="#step-6-update-your-user-guide" title="Permalink to this headline">¶</a></h2>
<p>Please also replace your local copy of the user guide with the new
version.</p>
</div>
</div>

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