"; echo $d1."的10天前是".date("Y-m-d",dateadd("d",-10,$d1))." `````` "; $d3 = date("Y/m/d H:i:s"); echo "现在是".$d3."距离2002/2/12 12:59:59还有".datediff("s",$d3,"2002/2/12 12:59:59")."秒 `````` "; ?>