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Bug #75816 Failed to parse time string (201501)
Submitted: 2018-01-15 07:16 UTC Modified: 2018-02-07 17:40 UTC
From: 326956600 at 163 dot com Assigned:
Status: Not a bug Package: Date/time related
PHP Version: 7.0.27 OS: Ubuntu 16.04
Private report: No CVE-ID: None
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 [2018-01-15 07:16 UTC] 326956600 at 163 dot com 
Description:
------------
use DateTime() parse date error,such as Ym type:201501 、201512

I don't know user will input which time type,so i can't define a format like
DateTime::createFromFormat('Ym', '201501')

Test script:
---------------
<?php

$input = '201501';
$output = (new DateTime($input))->format('Ym');
echo $output;

Expected result:
----------------
201501

Actual result:
--------------
201801

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 [2018-01-31 13:41 UTC] saad dot achemlal at gmail dot com 
You must enter a valid input , something like '2015-01' will work but not '201501'
 [2018-02-07 17:39 UTC] jhdxr@php.net
-Package: date_time +Package: Date/time related
 [2018-02-07 17:40 UTC] jhdxr@php.net
-Status: Open +Status: Not a bug
 [2018-02-07 17:40 UTC] jhdxr@php.net 
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php
 
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