php中有没有计算机日期差的函数？想做个倒计时

$time = abs((strtotime("2008-08-08") - strtotime(date("Y-m-d")))/86400);

$time就是你想要的.

写成函数就这样吧

echo dushuTime("2008-08-08");

function dushuTime($target){
$time = abs((strtotime($target) - strtotime(date("Y-m-d")))/86400);
return $time;
}

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$time = abs((strtotime("2008-08-08") - strtotime(date("Y-m-d")))/86400);

$time就是你想要的.

写成函数就这样吧

echo dushuTime("2008-08-08");

function dushuTime($target){
$time = abs((strtotime($target) - strtotime(date("Y-m-d")))/86400);
return $time;
}