add_filter('the_title','set_page_title', 10, 2);
function set_page_title($title, $id){
   if(in_the_loop()) {


         return 'sdfdsfdsf';
   }
   return $title;
}

function bmg_company_detail_shortcode($args, $content) {
    global $wpdb;
    $table_name = $wpdb->prefix . 'bmg_company';
    $company_id = $_GET['id'];
    $output = '';

    $result = $wpdb->get_results($wpdb->prepare("SELECT id,maincategoryid,name,website,yearfounded,supportpageurl,contactpage,country,about, isactive,contact_name,contact_email,contact_phone,support_phone,open_times,support_email, username, password  from $table_name where id=%s", $company_id));



  if($result) {
      foreach($result as $row) {
           set_page_title('',$row->name);
          $output = '
            <h3 class="bmg-company-title">'. $row->name .'</h3>

          ';
      }
  }

  return $output;
}