hwstring

function image_hwstring_px($width, $height) {
          $hwstring = '';
        if ($width)
                 $hwstring .= 'width="'.intval($width).'px" ';
         if ($height)
                 $hwstring .= 'height="'.intval($height).'px" ';
         return $hwstring;
 }
apply_filters('get_image_tag','image_hwstring_px');