original_string: public function codes($variable)
      {
          foreach ($this->keywordList('CODES') as $keyword) {
              if ($keyword->subKeys[0] == $variable) {
                  return $keyword->values;
              }
          }
  
          return null;
      }
code: public function codes($variable)
      {
          foreach ($this->keywordList('CODES') as $keyword) {
              if ($keyword->subKeys[0] == $variable) {
                  return $keyword->values;
              }
          }
  
          return null;
      }
code_tokens: public function codes ( $ variable ) { foreach ( $ this -> keywordList ( 'CODES' ) as $ keyword ) { if ( $ keyword -> subKeys [ 0 ] == $ variable ) { return $ keyword -> values ; } } return null ; }
docstring: Returns a list of all possible codes of a variable.
  
  @param string $variable
  
  @return array|null
docstring_tokens: Returns a list of all possible codes of a variable .