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Bug #72095 Undefined constant GLOB_BRACE while doc-base/configure.php
Submitted: 2016-04-24 13:44 UTC Modified: 2016-04-25 14:04 UTC
Votes:5
Avg. Score:3.8 ± 1.0
Reproduced:5 of 5 (100.0%)
Same Version:4 (80.0%)
Same OS:3 (60.0%)
From: rogeriopradoj@php.net Assigned:
Status: Open Package: Doc Build problem
PHP Version: Irrelevant OS: Alpine Linux
Private report: No CVE-ID: None
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 [2016-04-24 13:44 UTC] rogeriopradoj@php.net 
Description:
------------
When running doc-base/configure.php (as pointed in http://doc.php.net/tutorial/editing.php) for any language (en or translations), in Alpine Linux, 3 error messages are thrown, 1 notice and 2 warnings:

---
$ php doc-base/configure.php --enable-xml-details
Iterating over extension specific version files... PHP Notice:  Use of undefined constant GLOB_BRACE - assumed 'GLOB_BRACE' in /php-manual/doc-base/configure.php on line 573
PHP Warning:  glob() expects parameter 2 to be long, string given in /php-manual/doc-base/configure.php on line 573
PHP Warning:  Invalid argument supplied for foreach() in /php-manual/doc-base/configure.php on line 573
---

The message "All good. Saving .manual.xml… done." is shown in the end, anyway we could make these errors disappear.

Researching a little I found that this happens in Alpine Linux because seems that it doesn't support GLOB_BRACE since it is using musl libc instead of GNU libc.

> https://github.com/zendframework/zend-stdlib/issues/58

The workaround is not hard to implement (https://github.com/zendframework/zend-stdlib/pull/59):

Instead of using directly

... GLOB_BRACE ...

it's just to check if it's defined before otherwise defaults to 0, like this:

... defined('GLOB_BRACE') ? GLOB_BRACE : 0 ...

As shown above, it's the way the issue was solved in Zend Framework.

---

As Alpine Linux is going to get more attention mainly because of Docker based environments because it's very lightweight (https://www.brianchristner.io/docker-is-moving-to-alpine-linux/), I guess this workaround proposed is worth to have here as well.

Patches

phpdoc-glob_brace_alpine-linux.patch (last revision 2016-04-24 13:45 UTC by rogeriopradoj at gmail dot com)

Pull Requests

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2016-04-24 16:07 UTC] bjori@php.net 
I don't like the inline ternary use, just define the constant upfront in stead and then it looks good to me.
 [2016-04-25 14:04 UTC] cmb@php.net 
Setting GLOB_BRACE to 0 obviously deactivates the advanced
features of glob()[1]. Either GLOB_BRACE is necessary, or not. In
the latter case we simply can remove the flag; in the former we'd
break the code.

[1] <https://3v4l.org/BrtiP>
 [2017-02-12 00:17 UTC] danack@php.net 
There is some code above that is expecting the GLOB_BRACE to work.

 $globdir = dirname($ac["GENERATE"]) . "/{../,./}versions.xml";

This could be worked around.....or people could just use operating systems that glob_brace is present on.
 [2018-01-22 07:52 UTC] nanhe dot kumar at gmail dot com 
Notice: Use of undefined constant GLOB_BRACE - assumed 'GLOB_BRACE' in /var/www/html/opencart/upload/admin/controller/extension/extension.php on line 2
Warning: glob(): At least one of the passed flags is invalid or not supported on this platform in /var/www/html/opencart/upload/admin/controller/extension/extension.php on line 41Warning: Invalid argument supplied for foreach() in /var/www/html/opencart/upload/admin/controller/extension/extension.php on line 44

When i list  defined constant GLOB_BRACE is missing.
GLOB_MARK => 2
GLOB_NOSORT => 4
GLOB_NOCHECK => 16
GLOB_NOESCAPE => 64
GLOB_ERR => 1
GLOB_ONLYDIR => 1073741824
GLOB_AVAILABLE_FLAGS => 1073741911 

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