CodeIgniter + WordPress integration

3 comments

1. I used the following.

   My goal is to use CodeIgniter for some pages, and leave the other pages in WordPress untouched. I only have a few steps to do it :

   Copy CI folder at the WordPress root

   Modify the « index.php » of CI to add an include which will add WP functions to CodeIgniter :

   @require '../wp-load.php';
   require_once BASEPATH.'core/CodeIgniter.php';
   

   Once this line added, WordPress functions will be usable in CodeIgniter ; they will be used mainly for views.

   Modify the .htaccess of WP to not rewrite CI’s URLs :
   After this line :

    RewriteRule ^index.php$ - [L]
   

   Add this line :

   RewriteCond %{REQUEST_URI} !^/(codeigniter_folder|codeigniter_folder/.*)$
   

   Then CI views can use WP functions.

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2. If you have an CI application that uses login session you have to modify the “load.php” file (from “wp-includes” WP folder). To do that follow the PhilB’s answer from this link. For a complete explanation follow this post.

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3. WordPress and CodeIgniter both are the most popular framework in PHP.
   CodeIgniter is a lightweight PHP framework that can help in developing
   applications that can be integrated with WordPress.While some users
   prefer developing the CodeIgniter and WordPress elements separately,
   we will go through an example where the primary navigation and footer
   are similar on both platforms, because it doesn’t make much sense to
   update the navigation and footer twice.

   Here we learn about two things using WordPress and CodeIgniter

   1. How to integrate already running WordPress website to integrate CodeIgniter

   2. How to integrate already running Codeigniter website to integrate WordPress

   3. Integrate CodeIgniter into WordPress It comes as a meager shock that numerous site proprietors overseers still lean toward WordPress
      as their essential Content Management System (CMS), and you can’t
      point the finger at them considering the far-reaching highlights that
      WordPress brings to the table.

   Okay, let’s start to integrate CodeIgniter into WordPress here,
   WordPress is our primary application and we will use its functionality
   within CodeIgniter while keeping the CodeIgniter app in a
   sub-directory.

   Step 1: Adding the WordPress Bootstrap File WordPress’s wp-load.php
   file immediately preceding the call to Codeigniter bootstrap file in
   CI’s index.php file

   Before adding any WordPress functionality to CI’ file.we will testing
   to make sure everything works fine.The first page of our app looked
   fine, but that was about it.

   Every URL within our app, including form handlers, were redirected to
   the root directory (i.e. WordPress’ directory), resulting in 404
   errors. We discovered that both WordPress and Codeigniter have a
   “site_url” function in global scope. By loading the WordPress
   bootstrap file before CodeIgniter, we were getting WordPress
   site_url.Codeigniter function “failed” silently because it was
   checking to see if a site_url function existed.

   Step 2: Extending Codeigniter URL Helper Our solution was to ‘extend’
   the URL helper of CodeIgniter. By using ci_site_url, we can resolve
   the site_url issue. The My_url_helper.php (helper) file should be in
   the application directory of CodeIgniter.

   Step 3: Change site_url to ci_site_url in the CodeIgniter App. Replace
   all site_url file references with ci_site_url into your applications,
   controllers, models, and directories.

   Once we completed these steps, our CI app worked …

   Step 4: Stop WordPress from managing our cookies! Our site that still
   was not working was the admin panel that we built in Codeigniter.our
   credentials have been accepted but, still redirecting to login page.

   I think you know about CodeIgniter will create cookies for every
   active database session when you log in. This can lead to WordPress
   bootstrap file rectifying the issue. This happens when WordPress loops
   via the $_COOKIE global and implements add_magic_quotes functionality
   to all elements, except the CodeIgniter cookie.

   1. Integrate WordPress into CodeIgniter IF you have already created website in CodeIgniter and you have added blog page then WordPress is
      the best option so, First of all, install WordPress in a folder called
      the blog on your website. It would be located in the top level
      directory in your CodeIgniter website. So it would be alongside the
      system folder of the CI installation. If you already have a DB for
      your site, have WordPress add tables to that same DB with a prefix to
      make things simple.

   After, that add the following line in the at the top of your
   CodeIgniter’s index.php file.Change the path to wp-blog-header.php as
   needed to point to your WordPress root directory.

   All done!! This code allows to WordPress blog without leaving
   CodeIgniter site. More helper function explains in details in
   WordPress documentation.

   View more: How to Integrate CodeIgniter with WordPress

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