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Bug #45634 DirectoryIterator default sorting error
Submitted: 2008-07-26 20:51 UTC Modified: 2008-07-27 03:28 UTC
From: jcknight at gmail dot com Assigned:
Status: Not a bug Package: SPL related
PHP Version: 5.2.6 OS: Linux
Private report: No CVE-ID: None
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 [2008-07-26 20:51 UTC] jcknight at gmail dot com 
Description:
------------
The DirectoryIterator class does not iterate the directory how it is
organized on the file system.


Reproduce code:
---------------
<?php

$dir = new DirectoryIterator(".");

foreach($dir as $file) {
    echo $file->current() ."\n";
}

?>


Expected result:
----------------
[root@example fox]# ls -l
total 272
-rw-r--r-- 1 nobody nobody 8855 2007-10-28 13:21 dance_L.gif
-rw-r--r-- 1 nobody nobody 8846 2007-10-28 13:21 dance_R.gif
-rw-r--r-- 1 nobody nobody 9880 2007-10-28 13:21 enter_L.gif
-rw-r--r-- 1 nobody nobody 9852 2007-10-28 13:21 enter_R.gif
-rw-r--r-- 1 nobody nobody 8186 2007-10-28 13:21 growl_L.gif
-rw-r--r-- 1 nobody nobody 8173 2007-10-28 13:21 growl_R.gif
-rw-r--r-- 1 nobody nobody 7299 2007-10-28 13:21 headstand_L.gif
-rw-r--r-- 1 nobody nobody 7328 2007-10-28 13:22 headstand_R.gif
-rw-r--r-- 1 nobody nobody 7464 2007-10-28 13:21 hide_L.gif
-rw-r--r-- 1 nobody nobody 7479 2007-10-28 13:21 hide_R.gif
-rw-r--r-- 1 nobody nobody 7924 2007-10-28 13:21 laugh_L.gif
-rw-r--r-- 1 nobody nobody 7957 2007-10-28 13:21 laugh_R.gif
-rw-r--r-- 1 nobody nobody 8138 2007-10-28 13:22 lay_L.gif
-rw-r--r-- 1 nobody nobody 8131 2007-10-28 13:22 lay_R.gif
-rw-r--r-- 1 nobody nobody 5822 2007-10-28 13:21 mad_L.gif
-rw-r--r-- 1 nobody nobody 5836 2007-10-28 13:21 mad_R.gif
-rw-r--r-- 1 nobody nobody 8557 2007-10-28 13:24 music_L.gif
-rw-r--r-- 1 nobody nobody 8533 2007-10-28 13:24 music_R.gif
-rw-r--r-- 1 nobody nobody 8061 2007-10-28 13:22 nuzzle_L.gif
-rw-r--r-- 1 nobody nobody 8079 2007-10-28 13:22 nuzzle_R.gif
-rw-r--r-- 1 nobody nobody 7426 2007-10-28 13:22 rollover_L.gif
-rw-r--r-- 1 nobody nobody 7402 2007-10-28 13:22 rollover_R.gif
-rw-r--r-- 1 nobody nobody 6077 2007-10-28 13:22 sad_L.gif
-rw-r--r-- 1 nobody nobody 6060 2007-10-28 13:22 sad_R.gif
-rw-r--r-- 1 nobody nobody 8407 2007-10-28 13:26 sit_L.gif
-rw-r--r-- 1 nobody nobody 8424 2007-10-28 13:26 sit_R.gif
-rw-r--r-- 1 nobody nobody 5478 2007-10-28 13:22 sleep_L.gif
-rw-r--r-- 1 nobody nobody 5499 2007-10-28 13:22 sleep_R.gif
-rw-r--r-- 1 nobody nobody 7976 2007-10-28 13:22 sprawl_L.gif
-rw-r--r-- 1 nobody nobody 7957 2007-10-28 13:22 sprawl_R.gif
[root@example fox]#

Actual result:
--------------
[root@example skel]# php ./test.php
.
..
laugh_L.gif
laugh_R.gif
sprawl_L.gif
sprawl_R.gif
music_L.gif
music_R.gif
dance_L.gif
dance_R.gif
lay_L.gif
lay_R.gif
sad_L.gif
sad_R.gif
nuzzle_L.gif
growl_L.gif
nuzzle_R.gif
growl_R.gif
headstand_L.gif
headstand_R.gif
sit_L.gif
sit_R.gif
rollover_L.gif
rollover_R.gif
sleep_L.gif
sleep_R.gif
enter_L.gif
mad_L.gif
enter_R.gif
mad_R.gif
hide_L.gif
hide_R.gif
[root@example skel]#

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 [2008-07-27 03:28 UTC] helly@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

It does not help making the wrong bug entry several times. Instead you do cost us very precious time. Guess we have a life too.

Duplicate of #45505: \"DirectoryIterator default sorting error\" entered by same person.

Read: the file system is usually not sorted. Now, while many programs that do display fs entries sort before displaying, SPLs classes do not as that would mean a major slow down. That said, if you need sorting, you need to do it yourself.
 
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