public function getField()
    {
        if (empty($this->field)) {
            $this->field = $this->guessForeignField();
        }

        return $this->field;
    }
public function getField()
    {
        if (empty($this->field)) {
            $this->field = $this->guessForeignField();
        }

        return $this->field;
    }
public function getField ( ) { if ( empty ( $ this -> field ) ) { $ this -> field = $ this -> guessForeignField ( ) ; } return $ this -> field ; }
Get the foreign field name.

@return string
Get the foreign field name .