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Bug #51991 spl_autoload and *nix support with namespace
Submitted: 2010-06-03 19:23 UTC Modified: 2010-07-28 00:20 UTC
From: grummfy at gmail dot com Assigned: felipe (profile)
Status: Closed Package: SPL related
PHP Version: 5.3.2 OS: linux, mac, *nix
Private report: No CVE-ID: None
 [2010-06-03 19:23 UTC] grummfy at gmail dot com
On windows systems you can use spl_autload to load namespaced class and it works!
On *nix system you can't!

Tested on linux (ubuntu 10.04 64 bit) with package : php5 5.3.2-1ubuntu4.2

You can test the next script on a windows and on a linux or a mac.

Test script:
create a file called index.php
use My\Framework\Test;
$test = new Test();
echo $test;
Another file in a subdir My/Framework called Test.php
namespace My\Framework;
class Test
    public function __toString()
        return 'hi';

Expected result:
Expected result :
script that produce :

Actual result:
Fatal error: spl_autoload() [<a href='function.spl-autoload'>function.spl-autoload</a>]: Class My\Framework\Test could not be loaded in /.../index.php on line 7


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 [2010-06-04 02:10 UTC]
Automatic comment from SVN on behalf of felipe
Log: - Fixed bug #51991 (spl_autoload and *nix support with namespace)
 [2010-06-04 02:10 UTC]
-Status: Open +Status: Closed -Assigned To: +Assigned To: felipe
 [2010-06-04 02:10 UTC]
This bug has been fixed in SVN.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
Thank you for the report, and for helping us make PHP better.

 [2010-06-04 02:44 UTC] grummfy at gmail dot com
 [2010-07-26 23:01 UTC] xstansa at gmail dot com
I just upgraded to PHP 5.3.3 and this bug still persists. 

Tested on Linux (Cent OS 5.5) with PHP 5.3.3.

Same Test Script and result as the original bug.
 [2010-07-26 23:54 UTC]
Hi, make sure you are using the right version... (phpversion())
 [2010-07-27 02:58 UTC] xstansa at gmail dot com
I've already checked that using phpinfo(). It is PHP 5.3.3.
 [2010-07-27 03:34 UTC]
Hi, I forgot to say... the path that will be tried to be found it is lowercased. 
i.e. my/framework/test.php

See bug #52406

 [2010-07-27 20:05 UTC] xstansa at gmail dot com
Are you saying that I'll have to rename all my php file names to be lowercase on 
Linux to use spl_autoload?
 [2010-07-28 00:20 UTC]
Exactly. You can implement your custom autoload to behaves as you want. The lowercased stuff is good for some people, but is not the desired for others.
 [2011-02-23 03:36 UTC] mike at digitalstruct dot com
This is hard to believe that automatically lowercasing the path is not a bug... 
the majority of PHP users are actually on *nix platforms - especially in 
production.  Causing the paths to automatically be lowercase drastically takes 
away from the default functionality.

I apologize if I am being arrogant here - however, when you write include 
'My/Path/To/A/File.php' it does not lowercase that path so why should 
spl_autoload do anything different with the default behavior?

Offending code to fix this is on line: 303 in trunk of php_spl.c: 303 >---
lc_name = zend_str_tolower_dup(class_name, class_name_len);

Removing the str_tolower would resolve this issue and we would all be happy.  I 
will post to php-dev as well with a patch.
 [2013-11-09 22:54 UTC] moon at quantentunnel dot de
After searching around a while I found a workaround without performance loss.

1. Slower but not working with camelcase class files (like "MyClass.php"):
spl_autoload_register(function($classname) { require_once(__DIR__ . '/' . str_replace('\\', '/', $classname) . '.php'); });

2. Faster but not working with camelcase class files:
set_include_path(get_include_path() . PATH_SEPARATOR . __DIR__);
spl_autoload_register( function($classname) {} );

3. Faster and working with camelcase class files:
set_include_path(get_include_path() . PATH_SEPARATOR . __DIR__);
spl_autoload_register(function ($classname) { spl_autoload($classname); });
 [2013-11-09 23:36 UTC] moon at quantentunnel dot de
I'm sorry, my last post was not correct, case 3 does not work :-(
 [2014-01-15 12:10 UTC] broken at propeople dot com dot ua
Bug is reproduced on 5.4.4.
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