文字
http_date
(PECL pecl_http >= 0.1.0)
http_date — Compose HTTP RFC compliant date
说明
string http_date
([ int
$timestamp
] )Compose a valid HTTP date regarding RFC 1123 looking like: Wed, 22 Dec 2004 11:34:47 GMT.
参数
-
timestamp -
Unix timestamp; current time if omitted
返回值
Returns the HTTP date as string.
参见
- date() - 格式化一个本地时间／日期
用户评论:
[#1] joshsnyder at earthlink dot net [2008-09-20 16:41:23]
Not sure if this is a failure of documentation or a bug, but it is worth noting that this function seems to return the timestamp of the script execution by default, not the current time. So e.g. this:
<?php
echo http_date();
sleep(60);
echo http_date();
?>
will output the exact same string twice.