public function convertToRadius($css)
    {
        // explode the value
        $css = explode(' ', $css);

        foreach ($css as $k => $v) {
            $v = trim($v);
            if ($v) {
                $v = $this->convertToMM($v, 0);
                if ($v!==null) {
                    $css[$k] = $v;
                } else {
                    unset($css[$k]);
                }
            } else {
                unset($css[$k]);
            }
        }

        return array_values($css);
    }
public function convertToRadius($css)
    {
        // explode the value
        $css = explode(' ', $css);

        foreach ($css as $k => $v) {
            $v = trim($v);
            if ($v) {
                $v = $this->convertToMM($v, 0);
                if ($v!==null) {
                    $css[$k] = $v;
                } else {
                    unset($css[$k]);
                }
            } else {
                unset($css[$k]);
            }
        }

        return array_values($css);
    }
public function convertToRadius ( $ css ) { // explode the value $ css = explode ( ' ' , $ css ) ; foreach ( $ css as $ k => $ v ) { $ v = trim ( $ v ) ; if ( $ v ) { $ v = $ this -> convertToMM ( $ v , 0 ) ; if ( $ v !== null ) { $ css [ $ k ] = $ v ; } else { unset ( $ css [ $ k ] ) ; } } else { unset ( $ css [ $ k ] ) ; } } return array_values ( $ css ) ; }
convert a css radius

@access public
@param  string $css
@return float  $value
convert a css radius