计算两者相差几个月零几天

function diff($date, $date1 = "now")

{

$time = strtotime($date);

$y = date("Y", $time);

$m = date("m", $time);

$d = date("d", $time);

$time1 = strtotime($date1);

$_y = date("Y", $time1);

$_m = date("m", $time1);

$_d = date("d", $time1);

if ($y == $_y)

{

$m1 = $m - $_m;

}

else

{

$m1 = $m + (12 - $_m);

}

if ($d >= $_d)

{

$d1 = $d - $_d;

}

else

{

$m1 --;

$t1 = date("t");

$d1 = $d + ($t1 - $_d);

}

return $m1 . "月零" . $d1 . "天";

}