function add_data(){
    if( $_GET["name"] || $_GET["animal"] )
        {
        $type_animal = $_GET['animal'];
        $name_animal = $_GET['name'];
        $dsn = 'mysql:host=localhost;dbname=portfolio';
        $username = 'root';
        $password = '';
        $db = new PDO($dsn, $username, $password);
        $myquery = 'INSERT INTO animals
            ( animal_type, animal_name)
            VALUES
           ( :type_animal, :name_animal';
        $mystatement =$db->prepare($myquery);
        $mystatement->bindValue(':type_animal' , $type_animal, PDO::PARAM_STR);
        $mystatement->bindValue(':type_animal' , $name_animal, PDO::PARAM_STR);
        $sucess = $mystatement->execute();
        $row_count = $mystatement->rowCount();
        $mystatement-> closeCursor();
      $animal = $db->lastInsertID();
      if ($sucess) {
          echo "<p>$row_count row was inserter with this ID: $animal</p> ";
                    }else{
        echo "no records add" . "<br />";
                   }
            }
        }