Почему включается модуль опенкарт?

Question

web-quest3 @web-quest3

PHP
OpenCart

Почему включается модуль опенкарт?

<?php
class ControllerExtensionModuleMyPhotoClient extends Controller {
	private $error = array();
    

    
	public function index() {
		$this->load->language('extension/module/my_photo_client');

		$this->document->setTitle($this->language->get('heading_title'));

		$this->load->model('setting/setting');

		if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validate()) {
			$this->model_setting_setting->editSetting('my_photo_client', $this->request->post);

			$this->session->data['success'] = $this->language->get('text_success');

			$this->response->redirect($this->url->link('extension/extension', 'token=' . $this->session->data['token'] . '&type=module', true));
		}

		$data['heading_title'] = $this->language->get('heading_title');

		$data['text_edit'] = $this->language->get('text_edit');
		$data['text_enabled'] = $this->language->get('text_enabled');
		$data['text_disabled'] = $this->language->get('text_disabled');

		$data['entry_status'] = $this->language->get('entry_status');

		$data['button_save'] = $this->language->get('button_save');
		$data['button_cancel'] = $this->language->get('button_cancel');

		if (isset($this->error['warning'])) {
			$data['error_warning'] = $this->error['warning'];
		} else {
			$data['error_warning'] = '';
		}

		$data['breadcrumbs'] = array();

		$data['breadcrumbs'][] = array(
			'text' => $this->language->get('text_home'),
			'href' => $this->url->link('common/dashboard', 'token=' . $this->session->data['token'], true)
		);

		$data['breadcrumbs'][] = array(
			'text' => $this->language->get('text_extension'),
			'href' => $this->url->link('extension/extension', 'token=' . $this->session->data['token'] . '&type=module', true)
		);

		$data['breadcrumbs'][] = array(
			'text' => $this->language->get('heading_title'),
			'href' => $this->url->link('extension/module/my_photo_client', 'token=' . $this->session->data['token'], true)
		);

		$data['action'] = $this->url->link('extension/module/my_photo_client', 'token=' . $this->session->data['token'], true);

		$data['cancel'] = $this->url->link('extension/extension', 'token=' . $this->session->data['token'] . '&type=module', true);

		if (isset($this->request->post['my_photo_client_status'])) {
			$data['my_photo_client_status'] = $this->request->post['my_photo_client_status'];
		} else {
			$data['my_photo_client_status'] = $this->config->get('my_photo_client_status');
		}

		$data['header'] = $this->load->controller('common/header');
		$data['column_left'] = $this->load->controller('common/column_left');
		$data['footer'] = $this->load->controller('common/footer');

		$this->response->setOutput($this->load->view('extension/module/my_photo_client', $data));
	}

	protected function validate() {
		if (!$this->user->hasPermission('modify', 'extension/module/my_photo_client')) {
			$this->error['warning'] = $this->language->get('error_permission');
		}

		return !$this->error;
	}
}


// вьюха
<?php echo $header; ?><?php echo $column_left; ?>
<div id="content">
  <div class="page-header">
    <div class="container-fluid">
      <div class="pull-right">
        <button type="submit" form="form-my-photo-client" data-toggle="tooltip" title="<?php echo $button_save; ?>" class="btn btn-primary"><i class="fa fa-save"></i></button>
        <a href="<?php echo $cancel; ?>" data-toggle="tooltip" title="<?php echo $button_cancel; ?>" class="btn btn-default"><i class="fa fa-reply"></i></a></div>
      <h1><?php echo $heading_title; ?></h1>
      <ul class="breadcrumb">
        <?php foreach ($breadcrumbs as $breadcrumb) { ?>
        <li><a href="<?php echo $breadcrumb['href']; ?>"><?php echo $breadcrumb['text']; ?></a></li>
        <?php } ?>
      </ul>
    </div>
  </div>
  <div class="container-fluid">
    <?php if ($error_warning) { ?>
    <div class="alert alert-danger"><i class="fa fa-exclamation-circle"></i> <?php echo $error_warning; ?>
      <button type="button" class="close" data-dismiss="alert">&times;</button>
    </div>
    <?php } ?>
    <div class="panel panel-default">
      <div class="panel-heading">
        <h3 class="panel-title"><i class="fa fa-pencil"></i> <?php echo $text_edit; ?></h3>
      </div>
      <div class="panel-body">
       <!--my_photo_client-->
        <form action="<?php echo $action; ?>" method="post" enctype="multipart/form-data" id="form-my-photo-client" class="form-horizontal">
          <div class="form-group">
            <label class="col-sm-2 control-label" for="input-status"><?php echo $entry_status; ?></label>
            <div class="col-sm-10">
              <select name="my_photo_client_status" id="input-status" class="form-control">
                <?php if ($category_status) { ?>
                <option value="1" selected="selected"><?php echo $text_enabled; ?></option>
                <option value="0"><?php echo $text_disabled; ?></option>
                <?php } else { ?>
                <option value="1"><?php echo $text_enabled; ?></option>
                <option value="0" selected="selected"><?php echo $text_disabled; ?></option>
                <?php } ?>
              </select>
            </div>
          </div>
        </form>
      </div>
    </div>
  </div>
</div>
<?php echo $footer; ?>