function date_diff($date1, $date2) {
$s = strtotime($date2)-strtotime($date1);
$d = intval($s/86400);
$s -= $d*86400;
$h = intval($s/3600);
$s -= $h*3600;
$m = intval($s/60);
$s -= $m*60;
return array("d"=>$d,"h"=>$h,"m"=>$m,"s"=>$s);
}
$s = strtotime($date2)-strtotime($date1);
$d = intval($s/86400);
$s -= $d*86400;
$h = intval($s/3600);
$s -= $h*3600;
$m = intval($s/60);
$s -= $m*60;
return array("d"=>$d,"h"=>$h,"m"=>$m,"s"=>$s);
}
一般来说你的字段如果是数据库的date或是datetime类型,数据库都带有这样的函数,直接调用就是了