public function getValidValues()
    {
        $ret = '';
        foreach ($this->values as $value) {
            $ret .= $value . ', ';
        }

        $ret = substr($ret, 0, -2);

        return $ret;
    }
public function getValidValues()
    {
        $ret = '';
        foreach ($this->values as $value) {
            $ret .= $value . ', ';
        }

        $ret = substr($ret, 0, -2);

        return $ret;
    }
public function getValidValues ( ) { $ ret = '' ; foreach ( $ this -> values as $ value ) { $ ret .= $ value . ', ' ; } $ ret = substr ( $ ret , 0 , - 2 ) ; return $ ret ; }
Returns a comma separated list of all the possible values for the enum

@return string
Returns a comma separated list of all the possible values for the enum