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Bug #62391 format('W')
Submitted: 2012-06-22 04:11 UTC Modified: 2012-06-22 08:23 UTC
From: master dot zion at gmail dot com Assigned:
Status: Not a bug Package: Unknown/Other Function
PHP Version: 5.3Git-2012-06-22 (Git) OS: windows
Private report: No CVE-ID: None
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 [2012-06-22 04:11 UTC] master dot zion at gmail dot com 
Description:
------------
$td1 = new DateTime('01/01/2012');
echo $td1->format("W"); // 52 ???

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 [2012-06-22 08:23 UTC] cataphract@php.net
-Status: Open +Status: Not a bug
 [2012-06-22 08:23 UTC] cataphract@php.net 
Not a bug. In general, Jan 1 is not in week 1. Week 1 is the first week that contains at least 4 days from that year, and for this purpose weeks are deemed to start on Mondays.
 
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