摘要：多维数组时间排序 function compare_order($a,$b){ if($a['create_time'] == $b['create_time']){ return 0; } return($a['create_time']>$b['create_time']) ? -1 : 1;} 阅读全文

摘要：select id,max(top)max from user_comment where videoid=34555 阅读全文