Show number of Certificates and Badges won by a Student

functions.php

//USage : [wplms_student_certifiacate_badge_count type='certificate'] [wplms_student_certifiacate_badge_count type='badge']
//optionally mention user_id
add_shortcode('wplms_student_certifiacate_badge_count',function($atts,$content){


if(empty($atts['user_id'])){
if(is_user_logged_in()){
  $atts['user_id] = get_current_user_id();
}else{
  return;
}

}
  if(!empty($atts) && !empty($atts['type']) && $atts['type'] == 'badge'){
    $badges = get_user_meta($user_id,'badges',true);
    if(empty($badges)){$badges = array();}
    return '<div class="user_badge_count">'.count($badges).'</div>;
  }else{
    $certificates = get_user_meta($user_id,'certificates',true);
    if(empty($certificates)){$certificates = array();}
    return '<div class="user_certificate_count">'.count($certificates).'</div>;
  }
});