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    <p>With the following code you can load the controller classes and execute the methods.</p> <p>This code was written for codeigniter 2.1</p> <p>First add a new file <code>MY_Loader.php</code> in your application/core directory. Add the following code to your newly created <code>MY_Loader.php</code> file:</p> <pre><code>&lt;?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); // written by AJ sirderno@yahoo.com class MY_Loader extends CI_Loader { protected $_my_controller_paths = array(); protected $_my_controllers = array(); public function __construct() { parent::__construct(); $this-&gt;_my_controller_paths = array(APPPATH); } public function controller($controller, $name = '', $db_conn = FALSE) { if (is_array($controller)) { foreach ($controller as $babe) { $this-&gt;controller($babe); } return; } if ($controller == '') { return; } $path = ''; // Is the controller in a sub-folder? If so, parse out the filename and path. if (($last_slash = strrpos($controller, '/')) !== FALSE) { // The path is in front of the last slash $path = substr($controller, 0, $last_slash + 1); // And the controller name behind it $controller = substr($controller, $last_slash + 1); } if ($name == '') { $name = $controller; } if (in_array($name, $this-&gt;_my_controllers, TRUE)) { return; } $CI =&amp; get_instance(); if (isset($CI-&gt;$name)) { show_error('The controller name you are loading is the name of a resource that is already being used: '.$name); } $controller = strtolower($controller); foreach ($this-&gt;_my_controller_paths as $mod_path) { if ( ! file_exists($mod_path.'controllers/'.$path.$controller.'.php')) { continue; } if ($db_conn !== FALSE AND ! class_exists('CI_DB')) { if ($db_conn === TRUE) { $db_conn = ''; } $CI-&gt;load-&gt;database($db_conn, FALSE, TRUE); } if ( ! class_exists('CI_Controller')) { load_class('Controller', 'core'); } require_once($mod_path.'controllers/'.$path.$controller.'.php'); $controller = ucfirst($controller); $CI-&gt;$name = new $controller(); $this-&gt;_my_controllers[] = $name; return; } // couldn't find the controller show_error('Unable to locate the controller you have specified: '.$controller); } } </code></pre> <p>Now you can load all the controllers in your application/controllers directory. for example:</p> <p>load the controller class Invoice and execute the function test()</p> <pre><code>$this-&gt;load-&gt;controller('invoice','invoice_controller'); $this-&gt;invoice_controller-&gt;test(); </code></pre> <p>or when the class is within a dir</p> <pre><code>$this-&gt;load-&gt;controller('/dir/invoice','invoice_controller'); $this-&gt;invoice_controller-&gt;test(); </code></pre> <p>It just works the same like loading a model</p>
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