original_string: private function ensure_isset(array $properties) {
          foreach ($properties as $property) {
              if (!isset($this->$property)) {
                  throw new coding_exception('The property "'.$property.'" is not set.');
              }
          }
      }
code: private function ensure_isset(array $properties) {
          foreach ($properties as $property) {
              if (!isset($this->$property)) {
                  throw new coding_exception('The property "'.$property.'" is not set.');
              }
          }
      }
code_tokens: private function ensure_isset ( array $ properties ) { foreach ( $ properties as $ property ) { if ( ! isset ( $ this -> $ property ) ) { throw new coding_exception ( 'The property "' . $ property . '" is not set.' ) ; } } }
docstring: Make sure that the given properties were set to some not-null value
  
  @param array $properties the list of properties
  @throws coding_exception
docstring_tokens: Make sure that the given properties were set to some not - null value