Php/docs/datetime.gettimestamp

• PHP Manual
• DateTimeInterface
• Gets the Unix timestamp

DateTime::getTimestamp

DateTimeImmutable::getTimestamp

DateTimeInterface::getTimestamp

date_timestamp_get

(PHP 5 >= 5.3.0, PHP 7)

DateTime::getTimestamp -- DateTimeImmutable::getTimestamp -- DateTimeInterface::getTimestamp -- date_timestamp_get — Gets the Unix timestamp

说明

面向对象风格

public DateTime::getTimestamp ( ) : int

public DateTimeImmutable::getTimestamp ( ) : int

public DateTimeInterface::getTimestamp ( ) : int

过程化风格

date_timestamp_get ( DateTimeInterface $object ) : int

Gets the Unix timestamp.

参数

此函数没有参数。

返回值

Returns the Unix timestamp representing the date.

范例

Example #1 DateTime::getTimestamp() example

面向对象风格

<?php$date = new DateTime();echo $date->getTimestamp();?>

过程化风格

<?php$date = date_create();echo date_timestamp_get($date);?>

以上例程的输出类似于：

1272509157

注释

Using U as the parameter to DateTime::format() is an alternative when using PHP 5.2.

参见

• DateTime::setTimestamp() - 以 Unix 时间戳的方式设置 DateTime 对象
• DateTime::format() - Returns date formatted according to given format