src/Framework/Form/Element/RadioSet.php
public function setRadioAttribute($a, $v)
    {
        foreach ($this->radios as $radio) {
            $radio->setAttribute($a, $v);
            if ($a == 'tabindex') {
                $v++;
            }
        }
        return $this;
    }
public function setRadioAttribute($a, $v)
    {
        foreach ($this->radios as $radio) {
            $radio->setAttribute($a, $v);
            if ($a == 'tabindex') {
                $v++;
            }
        }
        return $this;
    }
public function setRadioAttribute ( $ a , $ v ) { foreach ( $ this -> radios as $ radio ) { $ radio -> setAttribute ( $ a , $ v ) ; if ( $ a == 'tabindex' ) { $ v ++ ; } } return $ this ; }
Set an attribute for the input radio elements

@param  string $a
@param  string $v
@return Child
Set an attribute for the input radio elements