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263<li class="toctree-l2"><a class="reference internal" href="../tutorial/static_pages.html">Static pages</a></li>
264<li class="toctree-l2"><a class="reference internal" href="../tutorial/news_section.html">News section</a></li>
265<li class="toctree-l2"><a class="reference internal" href="../tutorial/create_news_items.html">Create news items</a></li>
266<li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
267</ul>
268</li>
269</ul>
270<ul>
271<li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
272<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li>
273<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li>
274</ul>
275</li>
276</ul>
277<ul>
278<li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul>
279<li class="toctree-l2"><a class="reference internal" href="../general/urls.html">CodeIgniter URLs</a></li>
280<li class="toctree-l2"><a class="reference internal" href="../general/controllers.html">Controllers</a></li>
281<li class="toctree-l2"><a class="reference internal" href="../general/reserved_names.html">Reserved Names</a></li>
282<li class="toctree-l2"><a class="reference internal" href="../general/views.html">Views</a></li>
283<li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li>
284<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li>
285<li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li>
286<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li>
287<li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li>
288<li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li>
289<li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li>
290<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li>
291<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li>
292<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li>
293<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
294<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li>
295<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li>
296<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
297<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li>
298<li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li>
299<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
300<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li>
301<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li>
302<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
303<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li>
304<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
305</ul>
306</li>
307</ul>
308<ul>
309<li class="toctree-l1"><a class="reference internal" href="../libraries/index.html">Libraries</a><ul>
310<li class="toctree-l2"><a class="reference internal" href="../libraries/benchmark.html">Benchmarking Class</a></li>
311<li class="toctree-l2"><a class="reference internal" href="../libraries/caching.html">Caching Driver</a></li>
312<li class="toctree-l2"><a class="reference internal" href="../libraries/calendar.html">Calendaring Class</a></li>
313<li class="toctree-l2"><a class="reference internal" href="../libraries/cart.html">Shopping Cart Class</a></li>
314<li class="toctree-l2"><a class="reference internal" href="../libraries/config.html">Config Class</a></li>
315<li class="toctree-l2"><a class="reference internal" href="../libraries/email.html">Email Class</a></li>
316<li class="toctree-l2"><a class="reference internal" href="../libraries/encrypt.html">Encrypt Class</a></li>
317<li class="toctree-l2"><a class="reference internal" href="../libraries/encryption.html">Encryption Library</a></li>
318<li class="toctree-l2"><a class="reference internal" href="../libraries/file_uploading.html">File Uploading Class</a></li>
319<li class="toctree-l2"><a class="reference internal" href="../libraries/form_validation.html">Form Validation</a></li>
320<li class="toctree-l2"><a class="reference internal" href="../libraries/ftp.html">FTP Class</a></li>
321<li class="toctree-l2"><a class="reference internal" href="../libraries/image_lib.html">Image Manipulation Class</a></li>
322<li class="toctree-l2"><a class="reference internal" href="../libraries/input.html">Input Class</a></li>
323<li class="toctree-l2"><a class="reference internal" href="../libraries/javascript.html">Javascript Class</a></li>
324<li class="toctree-l2"><a class="reference internal" href="../libraries/language.html">Language Class</a></li>
325<li class="toctree-l2"><a class="reference internal" href="../libraries/loader.html">Loader Class</a></li>
326<li class="toctree-l2"><a class="reference internal" href="../libraries/migration.html">Migrations Class</a></li>
327<li class="toctree-l2"><a class="reference internal" href="../libraries/output.html">Output Class</a></li>
328<li class="toctree-l2"><a class="reference internal" href="../libraries/pagination.html">Pagination Class</a></li>
329<li class="toctree-l2"><a class="reference internal" href="../libraries/parser.html">Template Parser Class</a></li>
330<li class="toctree-l2"><a class="reference internal" href="../libraries/security.html">Security Class</a></li>
331<li class="toctree-l2"><a class="reference internal" href="../libraries/sessions.html">Session Library</a></li>
332<li class="toctree-l2"><a class="reference internal" href="../libraries/table.html">HTML Table Class</a></li>
333<li class="toctree-l2"><a class="reference internal" href="../libraries/trackback.html">Trackback Class</a></li>
334<li class="toctree-l2"><a class="reference internal" href="../libraries/typography.html">Typography Class</a></li>
335<li class="toctree-l2"><a class="reference internal" href="../libraries/unit_testing.html">Unit Testing Class</a></li>
336<li class="toctree-l2"><a class="reference internal" href="../libraries/uri.html">URI Class</a></li>
337<li class="toctree-l2"><a class="reference internal" href="../libraries/user_agent.html">User Agent Class</a></li>
338<li class="toctree-l2"><a class="reference internal" href="../libraries/xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
339<li class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li>
340</ul>
341</li>
342</ul>
343<ul>
344<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
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346<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
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348<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
349<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
350<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
351<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
352<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
353<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
354<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li>
355<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li>
356<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li>
357<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li>
358<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
359</ul>
360</li>
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366<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
367<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
368<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
369<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
370<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
371<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
372<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
373<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
374<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
375<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
376<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
377<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
378<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
379<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
380<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
381<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
382<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
383<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
384<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
385</ul>
386</li>
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388
389
390
391 </div>
392 &nbsp;
393 </nav>
394
395 <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
396
397
398 <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
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411 <li><a href="index.html">Installation Instructions</a> &raquo;</li>
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414
415 <li>Upgrading from 1.4.1 to 1.5.0</li>
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423 <hr/>
424</div>
425 <div role="main" class="document">
426
427 <div class="section" id="upgrading-from-1-4-1-to-1-5-0">
428<h1>Upgrading from 1.4.1 to 1.5.0<a class="headerlink" href="#upgrading-from-1-4-1-to-1-5-0" title="Permalink to this headline"></a></h1>
429<div class="admonition note">
430<p class="first admonition-title">Note</p>
431<p class="last">The instructions on this page assume you are running version
4321.4.1. If you have not upgraded to that version please do so first.</p>
433</div>
434<p>Before performing an update you should take your site offline by
435replacing the index.php file with a static one.</p>
436<div class="section" id="step-1-update-your-codeigniter-files">
437<h2>Step 1: Update your CodeIgniter files<a class="headerlink" href="#step-1-update-your-codeigniter-files" title="Permalink to this headline"></a></h2>
438<p>Replace these files and directories in your “system” folder with the new
439versions:</p>
440<ul class="simple">
441<li>application/config/user_agents.php (new file for 1.5)</li>
442<li>application/config/smileys.php (new file for 1.5)</li>
443<li>codeigniter/</li>
444<li>database/ (new folder for 1.5. Replaces the “drivers” folder)</li>
445<li>helpers/</li>
446<li>language/</li>
447<li>libraries/</li>
448<li>scaffolding/</li>
449</ul>
450<div class="admonition note">
451<p class="first admonition-title">Note</p>
452<p class="last">If you have any custom developed files in these folders please
453make copies of them first.</p>
454</div>
455</div>
456<div class="section" id="step-2-update-your-database-php-file">
457<h2>Step 2: Update your database.php file<a class="headerlink" href="#step-2-update-your-database-php-file" title="Permalink to this headline"></a></h2>
458<p>Open your application/config/database.php file and add these new items:</p>
459<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$db</span><span class="p">[</span><span class="s1">&#39;default&#39;</span><span class="p">][</span><span class="s1">&#39;cache_on&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">FALSE</span><span class="p">;</span>
460<span class="nv">$db</span><span class="p">[</span><span class="s1">&#39;default&#39;</span><span class="p">][</span><span class="s1">&#39;cachedir&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;&#39;</span><span class="p">;</span>
461</pre></div>
462</div>
463</div>
464<div class="section" id="step-3-update-your-config-php-file">
465<h2>Step 3: Update your config.php file<a class="headerlink" href="#step-3-update-your-config-php-file" title="Permalink to this headline"></a></h2>
466<p>Open your application/config/config.php file and ADD these new items:</p>
467<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="cm">/*</span>
468<span class="cm">|--------------------------------------------------------------------------</span>
469<span class="cm">| Class Extension Prefix</span>
470<span class="cm">|--------------------------------------------------------------------------</span>
471<span class="cm">|</span>
472<span class="cm">| This item allows you to set the filename/classname prefix when extending</span>
473<span class="cm">| native libraries. For more information please see the user guide:</span>
474<span class="cm">|</span>
475<span class="cm">| https://codeigniter.com/user_guide/general/core_classes.html</span>
476<span class="cm">| https://codeigniter.com/user_guide/general/creating_libraries.html</span>
477<span class="cm">|</span>
478<span class="cm">*/</span>
479<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;subclass_prefix&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;MY_&#39;</span><span class="p">;</span>
480
481<span class="cm">/*</span>
482<span class="cm">|--------------------------------------------------------------------------</span>
483<span class="cm">| Rewrite PHP Short Tags</span>
484<span class="cm">|--------------------------------------------------------------------------</span>
485<span class="cm">|</span>
486<span class="cm">| If your PHP installation does not have short tag support enabled CI</span>
487<span class="cm">| can rewrite the tags on-the-fly, enabling you to utilize that syntax</span>
488<span class="cm">| in your view files. Options are TRUE or FALSE (boolean)</span>
489<span class="cm">|</span>
490<span class="cm">*/</span>
491<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;rewrite_short_tags&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">FALSE</span><span class="p">;</span>
492</pre></div>
493</div>
494<p>In that same file REMOVE this item:</p>
495<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="cm">/*</span>
496<span class="cm">|--------------------------------------------------------------------------</span>
497<span class="cm">| Enable/Disable Error Logging</span>
498<span class="cm">|--------------------------------------------------------------------------</span>
499<span class="cm">|</span>
500<span class="cm">| If you would like errors or debug messages logged set this variable to</span>
501<span class="cm">| TRUE (boolean). Note: You must set the file permissions on the &quot;logs&quot; folder</span>
502<span class="cm">| such that it is writable.</span>
503<span class="cm">|</span>
504<span class="cm">*/</span>
505<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;log_errors&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">FALSE</span><span class="p">;</span>
506</pre></div>
507</div>
508<p>Error logging is now disabled simply by setting the threshold to zero.</p>
509</div>
510<div class="section" id="step-4-update-your-main-index-php-file">
511<h2>Step 4: Update your main index.php file<a class="headerlink" href="#step-4-update-your-main-index-php-file" title="Permalink to this headline"></a></h2>
512<p>If you are running a stock index.php file simply replace your version
513with the new one.</p>
514<p>If your index.php file has internal modifications, please add your
515modifications to the new file and use it.</p>
516</div>
517<div class="section" id="step-5-update-your-user-guide">
518<h2>Step 5: Update your user guide<a class="headerlink" href="#step-5-update-your-user-guide" title="Permalink to this headline"></a></h2>
519<p>Please also replace your local copy of the user guide with the new
520version.</p>
521</div>
522</div>
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