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.
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.
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User Contributed Notes 1 note
joshsnyder at earthlink dot net ¶
16 years ago
