original_string: public function from($mail, $name = null)
      {
          $this->mailer->setFrom($mail, $name);
          return $this;
      }
code: public function from($mail, $name = null)
      {
          $this->mailer->setFrom($mail, $name);
          return $this;
      }
code_tokens: public function from ( $ mail , $ name = null ) { $ this -> mailer -> setFrom ( $ mail , $ name ) ; return $ this ; }
docstring: Set the address information sent by mail.
  
  @param string $mail the address of mail
  @param string $name the real name of mail sender
  @return $this
docstring_tokens: Set the address information sent by mail .