Bug #74358 [Fbk->Wfx]: FilesystemIterator repeats file entry at 65535, 65535*2 etc positions

From: Date: Sat, 01 Apr 2017 13:57:33 +0000
Subject: Bug #74358 [Fbk->Wfx]: FilesystemIterator repeats file entry at 65535, 65535*2 etc positions
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=74358&edit=1

 ID:                 74358
 Updated by:         bwoebi@php.net
 Reported by:        xtpd17 at gmail dot com
 Summary:            FilesystemIterator repeats file entry at 65535,
                     65535*2 etc positions
-Status:             Feedback
+Status:             Wont fix
 Type:               Bug
 Package:            SPL related
 Operating System:   Windows 7
 PHP Version:        5.6.30
 Block user comment: N
 Private report:     N

 New Comment:

He said "7.0.0 and later versions work fine."

So, marking as Won't fix for 5.6 as per the release process.


Previous Comments:
------------------------------------------------------------------------
[2017-04-01 10:59:17] requinix@php.net

I can repro in 5.6 but not 7.0 or 7.1. Can you? 5.6 is no longer in active support so this
wouldn't be fixed there.

------------------------------------------------------------------------
[2017-04-01 10:25:38] xtpd17 at gmail dot com

Description:
------------
When FilesystemIterator iterates through folder with many files, it doubles file entries at 65535th
and, more generally, 65535*n+(n-1) positions (131071,196607...).

...
65533.txt
65534.txt // ok
65534.txt // omg what happened with my file system, is it broken? But chkdsk shows nothing bad. Oh
well, it's just iterator...
65535.txt 
65536.txt 
...


7.0.0 and later versions work fine.

Test script:
---------------
1) to generate many files in one folder use batch like
for /l %a in (1 1 200000) do type nul > "%a.txt"

2) 
$path = 'd:\pathtoyour\folder';
$items = new FilesystemIterator($path,FilesystemIterator::CURRENT_AS_PATHNAME);
$n = 0;
$name = '';
foreach ($items as $item)
{
	$name_prev = $name;
	$name = basename($item);
	$n++;
	if ($name == $name_prev)
		echo "DUPILCATE ENTRY FOUND AT $n: $name <br>";
}




------------------------------------------------------------------------



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Edit this bug report at https://bugs.php.net/bug.php?id=74358&edit=1


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