Fatal error: Uncaught Error: Class cannot working

[liton139]

class cannot work properly

Code is here ...

Function.php

<?php

/***

• Theme Functions.
• @package MedicalTheme

• */

  if (! defined('MEDICALTHEME_DIR_PATH')){ define('MEDICALTHEME_DIR_PATH', untrailingslashit( get_template_directory())); }

  function medical_get_theme_instance(){ \MEDICALTHEME\Inc\MEDICAL_THEME::get_instance(); }

  medical_get_theme_instance();

require_once MEDICALTHEME_DIR_PATH . '/inc/helpers/autoloader.php';

function Medical_enqueue_scripts() {

// Register Styles
wp_register_style('style-css', get_stylesheet_uri(), [], filemtime(get_template_directory() . '/style.css'),'all');
wp_register_style('bootstrap-css', get_template_directory_uri() . '/assets/src/library/css/bootstrap.min.css', [], false,'all');

// Register Scripts
wp_register_script('main-js', get_template_directory_uri() . '/assets/main.js',[], filemtime(get_template_directory() .'/assets/main.js'), true );
wp_register_script('bootstrap-js', get_template_directory_uri() . '/assets/src/library/js/bootstrap.min.js',['jquery'], false, true );

// enqueue style
wp_enqueue_style('style-css');
wp_enqueue_style('bootstrap-css');

// enqueue scripts
wp_enqueue_script('main-js');
wp_enqueue_script('bootstrap-js');

} add_action('wp_enqueue_scripts', 'Medical_enqueue_scripts');

?>

traits-singleton.php

<?php /**

• */

  namespace MEDICALTHEME\Inc\Traits;

  trait Singleton{ public function __construct(){

  } public function __clone(){

  } final public static function get_instance(){ static $instance =[];

  $called_class = get_called_class();
  
  if (!isset($instance[ $called_class ])){
      $instance[$called_class] = new $called_class();
      do_action( sprintf('MEDICAL_THEME_singletion_init%s', $called_class ));
  }
  return $instance[ $called_class ];

  } }

class-medicaltheme.php

<?php /**

• bootstraps the theme.
• @package MEDICALTHEME */

namespace MEDICALTHEME\Inc;

use MEDICALTHEME\Inc\Traits\Singleton;

class MEDICAL_THEME{ use Singleton;

protected function __construct(){
    wp_die('hello');
    //load class.
    $this->set_hooks();
}
protected function set_hooks(){
    //actions and filters
}

}