original_string: public function validation($data, $files) {
          $errors = parent::validation($data, $files);
  
          list($instance, $plugin, $context, $type) = $this->_customdata;
  
          $pluginerrors = $plugin->edit_instance_validation($data, $files, $instance, $context);
  
          $errors = array_merge($errors, $pluginerrors);
  
          return $errors;
      }
code: public function validation($data, $files) {
          $errors = parent::validation($data, $files);
  
          list($instance, $plugin, $context, $type) = $this->_customdata;
  
          $pluginerrors = $plugin->edit_instance_validation($data, $files, $instance, $context);
  
          $errors = array_merge($errors, $pluginerrors);
  
          return $errors;
      }
code_tokens: public function validation ( $ data , $ files ) { $ errors = parent :: validation ( $ data , $ files ) ; list ( $ instance , $ plugin , $ context , $ type ) = $ this -> _customdata ; $ pluginerrors = $ plugin -> edit_instance_validation ( $ data , $ files , $ instance , $ context ) ; $ errors = array_merge ( $ errors , $ pluginerrors ) ; return $ errors ; }
docstring: Validate this form. Calls plugin validation method.
  
  @param array $data
  @param array $files
  @return array
docstring_tokens: Validate this form . Calls plugin validation method .