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