function set_font_size($size)
    {
        $this->__font_size_calculated = false;
        //see __set and __get, on all assignments clear cache, not needed on direct set through __set
        $this->_prop_cache["font_size"] = null;
        $this->_props["font_size"] = $size;
    }
function set_font_size($size)
    {
        $this->__font_size_calculated = false;
        //see __set and __get, on all assignments clear cache, not needed on direct set through __set
        $this->_prop_cache["font_size"] = null;
        $this->_props["font_size"] = $size;
    }
function set_font_size ( $ size ) { $ this -> __font_size_calculated = false ; //see __set and __get, on all assignments clear cache, not needed on direct set through __set $ this -> _prop_cache [ "font_size" ] = null ; $ this -> _props [ "font_size" ] = $ size ; }
Sets the font size

$size can be any acceptable CSS size

@link http://www.w3.org/TR/CSS21/fonts.html#propdef-font-size
@param string|float $size
Sets the font size