original_string: protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from, $extra)
      {
          if (!empty($this->action_function) and is_callable($this->action_function)) {
              call_user_func($this->action_function, $isSent, $to, $cc, $bcc, $subject, $body, $from, $extra);
          }
      }
code: protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from, $extra)
      {
          if (!empty($this->action_function) and is_callable($this->action_function)) {
              call_user_func($this->action_function, $isSent, $to, $cc, $bcc, $subject, $body, $from, $extra);
          }
      }
code_tokens: protected function doCallback ( $ isSent , $ to , $ cc , $ bcc , $ subject , $ body , $ from , $ extra ) { if ( ! empty ( $ this -> action_function ) and is_callable ( $ this -> action_function ) ) { call_user_func ( $ this -> action_function , $ isSent , $ to , $ cc , $ bcc , $ subject , $ body , $ from , $ extra ) ; } }
docstring: Perform a callback.
  
  @param bool   $isSent
  @param array  $to
  @param array  $cc
  @param array  $bcc
  @param string $subject
  @param string $body
  @param string $from
  @param array  $extra
docstring_tokens: Perform a callback .