Controller usa Library para listar métodos

// ####################################################################
// Controller #########################################################
// ####################################################################

<?php defined('BASEPATH') OR exit('No direct script access allowed');

class Controllers extends CI_Controller {

    public function __construct(){
        parent::__construct();
        $this->load->library('controllerlist');
    }

    /**
     * Registrando os controllers no banco de dados ...
     * @return [type] [description]
     */
    // public function registerController(){
    private function registerController(){
        exit();
        // Excluindo todos os registros de métodos ...
        $trunc = $this->db->query("TRUNCATE TABLE sys_metodos");
        $trunc_1 = $this->db->query("TRUNCATE TABLE sys_permissoes");
        // Reescrevendo todos os registros de métodos ...
        $ctrls = $this->controllerlist->getControllers();
        $c = 0;
        $count = 0;
        foreach ($ctrls as $index => $val){
            foreach ($val as $indice) {
                // echo $c++ ." - ". $index ." - ".  $indice . "<br>";
                $data = array(
                    'classe'            => $index,                  // controller
                    'metodo'            => $indice,                 // metodo
                    'apelido'           => "{$index}/{$indice}",    // controller/metodo
                    'privado'           => 0,                       // 0 publico 1 privado
                    'apelido_classe'    => $index,                  // controller
                    'modulo'            => "Pesquisa"
                );
                $sql = $this->db->insert('sys_metodos', $data);
                $data_1 = array(
                    'id_metodo' => $this->db->insert_id(),
                    'id_usuario' => 1
                );
                $sql_1 = $this->db->insert('sys_permissoes', $data_1);
            }
        } echo "Terminado.";
    }
}

/* End of file controllers.php */
/* Location: ./application/controllers/controllers.php */

// ####################################################################
// Biblioteca #########################################################
// ####################################################################

<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/***
 * File: (Codeigniterapp)/libraries/Controllerlist.php
 *
 * A simple library to list all your controllers with their methods.
 * This library will return an array with controllers and methods
 *
 * The library will scan the "controller" directory and (in case of) one (1) subdirectory level deep
 * for controllers
 *
 * Usage in one of your controllers:
 *
 * $this->load->library('controllerlist');
 * print_r($this->controllerlist->getControllers());
 *
 * @author Peter Prins
 */
class ControllerList {

    /**
     * Codeigniter reference
     */
    private $CI;

    /**
     * Array that will hold the controller names and methods
     */
    private $aControllers;

    // Construct
    function __construct() {
        // Get Codeigniter instance
        $this->CI = get_instance();

        // Get all controllers
        $this->setControllers();
    }

    /**
     * Return all controllers and their methods
     * @return array
     */
    public function getControllers() {
        return $this->aControllers;
    }

    /**
     * Set the array holding the controller name and methods
     */
    public function setControllerMethods($p_sControllerName, $p_aControllerMethods) {
        $this->aControllers[$p_sControllerName] = $p_aControllerMethods;
    }

    /**
     * Search and set controller and methods.
     */
    private function setControllers() {
        // Loop through the controller directory
        foreach(glob(APPPATH . 'controllers/*') as $controller) {

            // if the value in the loop is a directory loop through that directory
            if(is_dir($controller)) {
                // Get name of directory
                $dirname = basename($controller, EXT);

                // Loop through the subdirectory
                foreach(glob(APPPATH . 'controllers/'.$dirname.'/*') as $subdircontroller) {
                    // Get the name of the subdir
                    $subdircontrollername = basename($subdircontroller, EXT);

                    // Load the controller file in memory if it's not load already
                    if(!class_exists($subdircontrollername)) {
                        $this->CI->load->file($subdircontroller);
                    }
                    // Add the controllername to the array with its methods
                    $aMethods = get_class_methods($subdircontrollername);
                    $aUserMethods = array();
                    foreach($aMethods as $method) {
                        if($method != '__construct' && $method != 'get_instance' && $method != $subdircontrollername) {
                            $aUserMethods[] = $method;
                        }
                    }
                    $this->setControllerMethods($subdircontrollername, $aUserMethods);
                }
            }
            else if(pathinfo($controller, PATHINFO_EXTENSION) == "php"){
                // value is no directory get controller name
                $controllername = basename($controller, EXT);

                // Load the class in memory (if it's not loaded already)
                if(!class_exists($controllername)) {
                    $this->CI->load->file($controller);
                }

                // Add controller and methods to the array
                $aMethods = get_class_methods($controllername);
                $aUserMethods = array();
                if(is_array($aMethods)){
                    foreach($aMethods as $method) {
                        if($method != '__construct' && $method != 'get_instance' && $method != $controllername) {
                            $aUserMethods[] = $method;
                        }
                    }
                }

                $this->setControllerMethods($controllername, $aUserMethods);
            }
        }
    }
}
// EOF