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  <div class="section" id="upgrading-from-2-0-2-to-2-0-3">
<h1>Upgrading from 2.0.2 to 2.0.3<a class="headerlink" href="#upgrading-from-2-0-2-to-2-0-3" title="Permalink to this headline">¶</a></h1>
<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 all files and directories in your &#8220;system&#8221; folder and replace
your index.php file. If any modifications were made to your index.php
they will need to be made fresh in this new one.</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>
</div>
<div class="section" id="step-2-update-your-main-index-php-file">
<h2>Step 2: Update your main index.php file<a class="headerlink" href="#step-2-update-your-main-index-php-file" title="Permalink to this headline">¶</a></h2>
<p>If you are running a stock index.php file simply replace your version
with the new one.</p>
<p>If your index.php file has internal modifications, please add your
modifications to the new file and use it.</p>
</div>
<div class="section" id="step-3-replace-config-user-agents-php">
<h2>Step 3: Replace config/user_agents.php<a class="headerlink" href="#step-3-replace-config-user-agents-php" title="Permalink to this headline">¶</a></h2>
<p>This config file has been updated to contain more user agent types,
please copy it to application/config/user_agents.php.</p>
</div>
<div class="section" id="step-4-change-references-of-the-ext-constant-to-php">
<h2>Step 4: Change references of the EXT constant to &#8221;.php&#8221;<a class="headerlink" href="#step-4-change-references-of-the-ext-constant-to-php" title="Permalink to this headline">¶</a></h2>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">The EXT Constant has been marked as deprecated, but has not
been removed from the application. You are encouraged to make the
changes sooner rather than later.</p>
</div>
</div>
<div class="section" id="step-5-remove-apppath-third-party-from-autoload-php">
<h2>Step 5: Remove APPPATH.&#8217;third_party&#8217; from autoload.php<a class="headerlink" href="#step-5-remove-apppath-third-party-from-autoload-php" title="Permalink to this headline">¶</a></h2>
<p>Open application/config/autoload.php, and look for the following:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$autoload</span><span class="p">[</span><span class="s1">&#39;packages&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="nx">APPPATH</span><span class="o">.</span><span class="s1">&#39;third_party&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>If you have not chosen to load any additional packages, that line can be
changed to:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$autoload</span><span class="p">[</span><span class="s1">&#39;packages&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">array</span><span class="p">();</span>
</pre></div>
</div>
<p>Which should provide for nominal performance gains if not autoloading
packages.</p>
</div>
<div class="section" id="update-sessions-database-tables">
<h2>Update Sessions Database Tables<a class="headerlink" href="#update-sessions-database-tables" title="Permalink to this headline">¶</a></h2>
<p>If you are using database sessions with the CI Session Library, please
update your ci_sessions database table as follows:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">CREATE</span> <span class="nx">INDEX</span> <span class="nx">last_activity_idx</span> <span class="nx">ON</span> <span class="nx">ci_sessions</span><span class="p">(</span><span class="nx">last_activity</span><span class="p">);</span>
<span class="nx">ALTER</span> <span class="nx">TABLE</span> <span class="nx">ci_sessions</span> <span class="nx">MODIFY</span> <span class="nx">user_agent</span> <span class="nx">VARCHAR</span><span class="p">(</span><span class="mi">120</span><span class="p">);</span>
</pre></div>
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