original_string: public function selectArrayPairs($q, $args = array())
      {
          $this->exec($q, $args);
          return $this->_sth ? $this->_sth->fetchAll(\PDO::FETCH_COLUMN | \PDO::FETCH_GROUP) : false;
      }
code: public function selectArrayPairs($q, $args = array())
      {
          $this->exec($q, $args);
          return $this->_sth ? $this->_sth->fetchAll(\PDO::FETCH_COLUMN | \PDO::FETCH_GROUP) : false;
      }
code_tokens: public function selectArrayPairs ( $ q , $ args = array ( ) ) { $ this -> exec ( $ q , $ args ) ; return $ this -> _sth ? $ this -> _sth -> fetchAll ( \ PDO :: FETCH_COLUMN | \ PDO :: FETCH_GROUP ) : false ; }
docstring: Fetch 2-column result into associative array
  
  Create one key per row, indexed on the first column, containing the
  second column.  Handy for retreiving key/value pairs.
  
  @param string $q    SQL query with '?' value placeholders
  @param array  $args (Optional) List of values corresponding to placeholders
  
  @return array Associative pairs
docstring_tokens: Fetch 2 - column result into associative array