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(PHP 5 >= 5.3.0, PHP 7, PHP 8)
DateTimeInterface::getTimestamp -- DateTimeImmutable::getTimestamp -- DateTime::getTimestamp -- date_timestamp_get — Gets the Unix timestamp
面向对象风格
过程化风格
Gets the Unix timestamp.
此函数没有参数。
Returns the Unix timestamp representing the date.
If the timestamp cannot be represented as int, a ValueError
is thrown. Prior to PHP 8.0.0, false was returned in this case.
Still, the timestamp can be retrieved as string by using
DateTimeInterface::format() with the U format.
| 版本 | 说明 |
|---|---|
| 8.0.0 |
These functions no longer return false on failure.
|
示例 #1 DateTime::getTimestamp() example
面向对象风格
<?php
$date = new DateTimeImmutable();
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
