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 (
void ) :
int
public
DateTimeImmutable::getTimestamp (
void ) :
int
public
DateTimeInterface::getTimestamp (
void ) :
int
过程化风格
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
