Miscellany

<?$query = mysql_query("select * from `data`");while($array = mysql_fetch_array($query))     {     $total_land = ($array['land']+$total_land);     $total_netscore = ($array['netscore']+$total_netscore);     $total_pop = ($array['pop']+$total_pop);     }$world_gdp = (($total_land+$total_netscore)/$total_pop);?>