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Role: Documentation
Content type: text/markdown
Description: Documentation
Class: Jaxon for CodeIgniter
CodeIgniter plugin to call PHP from with AJAX
Author: By
Last change: Added processing callbacks to the request processing controller.
Updated class name in the README.
Updated class name in the README.
Date: 3 years ago
Size: 4,721 bytes


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Jaxon Library for CodeIgniter

This package integrates the Jaxon library into the CodeIgniter 3 framework.


  • Read Jaxon options from a file in CodeIgniter config format.
  • Automatically register Jaxon classes from a preset directory.


First install CodeIgniter version 3.

Create the composer.json file into the installation dir with the following content.

    "require": {
        "jaxon-php/jaxon-codeigniter": "~2.0",

Copy the content of the app/ directory of this repo to the application/ dir of the CodeIgniter application. This will install the Jaxon library for CodeIgniter, as well as the controller to process Jaxon requests and a default config file.

The version 3 of the CodeIgniter framework does not natively support Composer. The Composer vendor/autoload.php file must therefore be manually included in the application.


The settings in the jaxon.php config file are separated into two sections. The options in the lib section are those of the Jaxon core library, while the options in the app sections are those of the CodeIgniter application.

The following options can be defined in the app section of the config file.

| Name | Description | |------|---------------| | classes | An array of directory containing Jaxon application classes | | views | An array of directory containing Jaxon application views | | | | |

By default, the views array is empty. Views are rendered from the framework default location. There's a single entry in the classes array with the following values.

| Name | Default value | Description | |------|---------------|-------------| | directory | APPPATH . 'jaxon/classes' | The directory of the Jaxon classes | | namespace | \Jaxon\App | The namespace of the Jaxon classes | | separator | . | The separator in Jaxon class names | | protected | empty array | Prevent Jaxon from exporting some methods | | | | |


This is an example of a CodeIgniter controller using the Jaxon library.

class Demo extends CI_Controller
    public function __construct()
        // Load the Jaxon library

    public function index()
        // Register the Jaxon classes

        // Print the page
        $this->load->view('index', array(
            'JaxonCss' => $this->jaxon->css(),
            'JaxonJs' => $this->jaxon->js(),
            'JaxonScript' => $this->jaxon->script()

The controller must inherit from the Jaxon_Controller provided in this package, and call its contructor.

Before it prints the page, the controller makes a call to $this->jaxon->register() to export the Jaxon classes. Then it calls the $this->jaxon->css(), $this->jaxon->js() and $this->jaxon->script() functions to get the CSS and javascript codes generated by Jaxon, which it inserts into the page.

The Jaxon classes

The Jaxon classes must inherit from \Jaxon\Sentry\Armada. By default, they are located in the APPPATH/jaxon/classes dir of the CodeIgniter application, and the associated namespace is \Jaxon\App.

This is a simple example of a Jaxon class, defined in the APPPATH/jaxon/classes/HelloWorld.php file.

namespace Jaxon\App;

class HelloWorld extends \Jaxon\Sentry\Armada
    public function sayHello()
        $this->response->assign('div2', 'innerHTML', 'Hello World!');
        return $this->response;

Check the jaxon-examples package for more examples.

Request processing

By default, the Jaxon request are handled by the controller in the app/controllers/jaxon/Process.php file. The jaxon/process route linked by default to the Process::index() method.

The request processing can be customized by extending the default controller and overloading the following method.

  • `public function initInstance($instance)`: called for any Jaxon class instanciated.
  • `public function beforeRequest($instance, $method, &$bEndRequest)`: called before processing the request.
  • `public function afterRequest($instance, $method)`: called after processing the request.

See []() for more information about processing callbacks.


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  • Source Code:


The package is licensed under the BSD license.

For more information send a message to info at phpclasses dot org.