Problem run via the command-line [SOLVED]

Hi All,
I create a simple controller for run via the command-line. But When run:

Code:

php index.php tools/messages/to

error reporting system

PHP Parse error:  syntax error in /Users/rocker/www/democommand.vn/system/Common.php on line 49

I don't interfere Common.php file. Why error?

Controller I'm refer https://codeigniter.com/user_guide/cli/c...mmand-line

PHP Code:

namespace App\Controllers;

use CodeIgniter\Controller;

class Tools extends Controller
{
    public function message($to = 'World')
    {
        echo "Hello {$to}!" . PHP_EOL;
    }
} 


Please helpme.