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Bug #74701 date("o", strtotime("2017-01-01")) returns "2016"
Submitted: 2017-06-06 11:45 UTC Modified: 2017-06-06 12:35 UTC
From: reinor2 at yandex dot ru Assigned:
Status: Not a bug Package: Date/time related
PHP Version: 7.0.19 OS: Linux
Private report: No CVE-ID: None
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From: reinor2 at yandex dot ru
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 [2017-06-06 11:45 UTC] reinor2 at yandex dot ru 
Description:
------------
PHP 7.0.18-0ubuntu0.16.04.1 (cli) ( NTS )


Test script:
---------------
date_default_timezone_set("UTC");

echo date("o", strtotime("2017-01-01"));
// or, the same
// echo (new DateTime("2017-01-01"))->format("o");


Expected result:
----------------
2017

Actual result:
--------------
2016

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 [2017-06-06 11:51 UTC] spam2 at rhsoft dot net 
read the manual and use 'Y' when you mean 'Y'

ISO-8601 week-numbering year. This has the same value as Y, except that if the ISO week number (W) belongs to the previous or next year, that year is used instead. (added in PHP 5.1.0)

php > echo date("W", strtotime("2017-01-01"));
52
 [2017-06-06 12:00 UTC] reinor2 at yandex dot ru
-Status: Open +Status: Closed
 [2017-06-06 12:00 UTC] reinor2 at yandex dot ru 
Thanks, spam2! I need to be more attentive.
 [2017-06-06 12:35 UTC] requinix@php.net
-Status: Closed +Status: Not a bug
 
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