codeigniter发送邮件并打印调试信息的方法

$this->load->library('email' );
$this->email- >from(' you@example. com' , ' Your Name' );
$this->email- >to('someone@example. com' );
$this->email- >cc('another@person. com' );
$this->email- >bcc('theboss@example. com' );
$this->email- >subject(' Email Test' );
$this->email- >message('This is a simple test we wrote for the email');
$this->email- >send();
echo $this->email- >print_debugger();