Controller Naming Convention issue

I have complete a project In CI 3.0.6 , which is works fine in localhost. but when i uploaded it in subdoamin i am getting 

The demo.xyz.com page isn’t working

demo.xyz.com is currently unable to handle this request.


Path:applications/contorllers/Frontend.php

PHP Code:

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

class Frontend extends Frontend_Controller {
    public function __construct ()
    {
        parent::__construct();
        $this->load->model('Banner_m');
           
    
} 


Path:applications/model/Banner_M.php

PHP Code:

class Banner_M extends MY_Model
{
    protected $_table_name = 'banners';
    protected $_order_by = 'id desc';
    
    public function get_new ()
    {
        $banner = new stdClass();
        $banner->title = '';
        $banner->slug = '';
        $banner->target_url = '';
        $banner->banner_img = '';
        $banner->status= '';
        $banner->display_order= '';
        return $banner;
    }
    
    
} 


As i am debugging i got a point that is  the banner model ($this->load->model('Banner_m')) loaded in Frontend Controller.

Thanks.

I have complete a project In CI 3.0.6 , which is works fine in localhost. but when i uploaded it in subdoamin i am getting 

The demo.xyz.com page isn’t working

demo.xyz.com is currently unable to handle this request.


Path:applications/contorllers/Frontend.php

PHP Code:

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

class Frontend extends Frontend_Controller {
    public function __construct ()
    {
        parent::__construct();
        $this->load->model('Banner_m');
           
    
} 


Path:applications/model/Banner_M.php

PHP Code:

class Banner_M extends MY_Model
{
    protected $_table_name = 'banners';
    protected $_order_by = 'id desc';
    
    public function get_new ()
    {
        $banner = new stdClass();
        $banner->title = '';
        $banner->slug = '';
        $banner->target_url = '';
        $banner->banner_img = '';
        $banner->status= '';
        $banner->display_order= '';
        return $banner;
    }
    
    
} 


As i am debugging i got a point that is  the banner model ($this->load->model('Banner_m')) loaded in Frontend Controller.

Thanks.

I'd say you need index method or any other method to route request.
Next, your constructor method is not closed by curly bracket.
Third, `Banner_m !== Banner_M`. 
Advice would be to use ucfirst name for files/classes i.e. `Banner_m`.

If frontend controller is extended from a MY_Controller then place all of the frontend code into the MY_Controller as another class.

The MY_Controller should contain all controllers that are extended by the MY_Controller otherwise you need to use an autoloader

PHP Code:

/*
| Autoloader function
|
| Add to the bottom of your ./application/config/config.php
|
| All Class files should be placed in the ./application/core folder
|
| @author Brendan Rehman
| @param $class_name
| @return void
*/
function __autoloader($class_name)
{
    /**
     * class directories - add more autoloading folders here… and you’re done.
     */
    $directories = array(
        APPPATH.'core/',
    );

    // for each directory
    foreach ($directories as $directory)
    {
        // see if the file exsists
        if (file_exists($directory.$class_name.'.php'))
        {
            // only require the class once, so quit after to save effort (if you got more, then name them something else
            require_once($directory.$class_name.'.php');

            return;
        }
    }
}

spl_autoload_register('__autoloader'); 


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