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<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" 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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="index.html">Installation Instructions</a> »</li> <li><a href="upgrading.html">Upgrading From a Previous Version</a> »</li> <li>Upgrading from 1.7.2 to 2.0.0</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="upgrading-from-1-7-2-to-2-0-0"> <h1>Upgrading from 1.7.2 to 2.0.0<a class="headerlink" href="#upgrading-from-1-7-2-to-2-0-0" 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="update-instructions"> <h2>Update Instructions<a class="headerlink" href="#update-instructions" title="Permalink to this headline">¶</a></h2> <div class="section" id="step-1-update-your-codeigniter-files"> <h3>Step 1: Update your CodeIgniter files<a class="headerlink" href="#step-1-update-your-codeigniter-files" title="Permalink to this headline">¶</a></h3> <p>Replace all files and directories in your “system” folder <strong>except</strong> your application folder.</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-adjust-get-dir-file-info-where-necessary"> <h3>Step 2: Adjust get_dir_file_info() where necessary<a class="headerlink" href="#step-2-adjust-get-dir-file-info-where-necessary" title="Permalink to this headline">¶</a></h3> <p>Version 2.0.0 brings a non-backwards compatible change to get_dir_file_info() in the <a class="reference internal" href="../helpers/file_helper.html"><span class="doc">File Helper</span></a>. Non-backwards compatible changes are extremely rare in CodeIgniter, but this one we feel was warranted due to how easy it was to create serious server performance issues. If you <em>need</em> recursiveness where you are using this helper function, change such instances, setting the second parameter, $top_level_only to FALSE:</p> <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">get_dir_file_info</span><span class="p">(</span><span class="s1">'/path/to/directory'</span><span class="p">,</span> <span class="k">FALSE</span><span class="p">);</span> </pre></div> </div> </div> <div class="section" id="step-3-convert-your-plugins-to-helpers"> <h3>Step 3: Convert your Plugins to Helpers<a class="headerlink" href="#step-3-convert-your-plugins-to-helpers" title="Permalink to this headline">¶</a></h3> <p>2.0.0 gets rid of the “Plugin” system as their functionality was identical to Helpers, but non-extensible. You will need to rename your plugin files from filename_pi.php to filename_helper.php, move them to your helpers folder, and change all instances of:</p> <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">plugin</span><span class="p">(</span><span class="s1">'foo'</span><span class="p">);</span> </pre></div> </div> <p>to</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">helper</span><span class="p">(</span><span class="s1">'foo'</span><span class="p">);</span> </pre></div> </div> </div> <div class="section" id="step-4-update-stored-encrypted-data"> <h3>Step 4: Update stored encrypted data<a class="headerlink" href="#step-4-update-stored-encrypted-data" title="Permalink to this headline">¶</a></h3> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">If your application does not use the Encrypt library, does not store Encrypted data permanently, or is on an environment that does not support Mcrypt, you may skip this step.</p> </div> <p>The Encrypt library has had a number of improvements, some for encryption strength and some for performance, that has an unavoidable consequence of making it no longer possible to decode encrypted data produced by the original version of this library. To help with the transition, a new method has been added, encode_from_legacy() that will decode the data with the original algorithm and return a re-encoded string using the improved methods. This will enable you to easily replace stale encrypted data with fresh in your applications, either on the fly or en masse.</p> <p>Please read <a class="reference internal" href="../libraries/encrypt.html"><span class="doc">how to use this method</span></a> in the Encrypt library documentation.</p> </div> <div class="section" id="step-5-remove-loading-calls-for-the-compatibility-helper"> <h3>Step 5: Remove loading calls for the compatibility helper.<a class="headerlink" href="#step-5-remove-loading-calls-for-the-compatibility-helper" title="Permalink to this headline">¶</a></h3> <p>The compatibility helper has been removed from the CodeIgniter core. All methods in it should be natively available in supported PHP versions.</p> </div> <div class="section" id="step-6-update-class-extension"> <h3>Step 6: Update Class extension<a class="headerlink" href="#step-6-update-class-extension" title="Permalink to this headline">¶</a></h3> <p>All core classes are now prefixed with CI_. Update Models and Controllers to extend CI_Model and CI_Controller, respectively.</p> </div> <div class="section" id="step-7-update-parent-constructor-calls"> <h3>Step 7: Update Parent Constructor calls<a class="headerlink" href="#step-7-update-parent-constructor-calls" title="Permalink to this headline">¶</a></h3> <p>All native CodeIgniter classes now use the PHP 5 __construct() convention. Please update extended libraries to call parent::__construct().</p> </div> <div class="section" id="step-8-move-any-core-extensions-to-application-core"> <h3>Step 8: Move any core extensions to application/core<a class="headerlink" href="#step-8-move-any-core-extensions-to-application-core" title="Permalink to this headline">¶</a></h3> <p>Any extensions to core classes (e.g. MY_Controller.php) in your application/libraries folder must be moved to the new application/core folder.</p> </div> <div class="section" id="step-9-update-your-user-guide"> <h3>Step 9: Update your user guide<a class="headerlink" href="#step-9-update-your-user-guide" title="Permalink to this headline">¶</a></h3> <p>Please replace your local copy of the user guide with the new version, including the image files.</p> </div> </div> <div class="section" id="update-notes"> <h2>Update Notes<a class="headerlink" href="#update-notes" title="Permalink to this headline">¶</a></h2> <p>Please refer to the <a class="reference internal" href="../changelog.html#changelog"><span class="std std-ref">2.0.0 Change Log</span></a> for full details, but here are some of the larger changes that are more likely to impact your code:</p> <ul class="simple"> <li>Scaffolding has been removed.</li> <li>The CAPTCHA plugin in now a <a class="reference internal" href="../helpers/captcha_helper.html"><span class="doc">helper</span></a>.</li> <li>The JavaScript calendar plugin was removed.</li> <li>The <em>system/cache</em> and <em>system/logs</em> directories are now in the application directory.</li> <li>The Validation class has been removed. Please see the <a class="reference internal" href="../libraries/form_validation.html"><span class="doc">Form Validation library</span></a></li> <li>“default” is now a reserved name.</li> <li>The xss_clean() function has moved to the <a class="reference internal" href="../libraries/security.html"><span class="doc">Security Class</span></a>.</li> <li>do_xss_clean() now returns FALSE if the uploaded file fails XSS checks.</li> <li>The <a class="reference internal" href="../libraries/sessions.html"><span class="doc">Session Class</span></a> requires now the use of an encryption key set in the config file.</li> <li>The following deprecated Active Record functions have been removed: <code class="docutils literal"><span class="pre">orwhere</span></code>, <code class="docutils literal"><span class="pre">orlike</span></code>, <code class="docutils literal"><span class="pre">groupby</span></code>, <code class="docutils literal"><span class="pre">orhaving</span></code>, <code class="docutils literal"><span class="pre">orderby</span></code>, <code class="docutils literal"><span class="pre">getwhere</span></code>.</li> <li><code class="docutils literal"><span class="pre">_drop_database()</span></code> and <code class="docutils literal"><span class="pre">_create_database()</span></code> functions have been removed from the db utility drivers.</li> <li>The <code class="docutils literal"><span class="pre">dohash()</span></code> function of the <a class="reference internal" href="../helpers/security_helper.html"><span class="doc">Security helper</span></a> has been renamed to <code class="docutils literal"><span class="pre">do_hash()</span></code> for naming consistency.</li> </ul> <div class="section" id="the-config-folder"> <h3>The config folder<a class="headerlink" href="#the-config-folder" title="Permalink to this headline">¶</a></h3> <p>The following files have been changed:</p> <ul class="simple"> <li>config.php</li> <li>database.php</li> <li>mimes.php</li> <li>routes.php</li> <li>user_agents.php</li> </ul> <p>The following files have been added:</p> <ul class="simple"> <li>foreign_chars.php</li> <li>profiler.php</li> </ul> </div> </div> </div> </div> <footer> <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> <a href="upgrade_172.html" class="btn btn-neutral float-right" title="Upgrading from 1.7.1 to 1.7.2">Next <span class="fa fa-arrow-circle-right"></span></a> <a href="upgrade_201.html" class="btn btn-neutral" title="Upgrading from 2.0.0 to 2.0.1"><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 Sep 19, 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:'3.1.11', 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>