From: [EMAIL PROTECTED]
Operating system: Any
PHP version: 4.1.0
PHP Bug Type: Unknown/Other Function
Bug description: dirname fix broke behaviour that it had since PHP 3
I was trying to test PHP 4.1.0 in a production site that I have that is
made of large code base and realized that dirname original behaviour was
broken severely.
The site exists for more than 2 years and always relied on the behaviour
that dirname("/index.php") would return "" as it has been since PHP 3.
The site has 4.0.0 and was never upgraded since because I have this policy
of not installing minor versions to avoid spending a lot of time
maintaining changes that are caused by bugs that may have been
introduced.
I investigated and it seems that in PHP 4.0.3, Andi fixed dirname so that
dirname("/index.php") now returns "/" instead of "" as before.
Although this should have been probably the original behaviour of the
function, the fact is that it wasn't not even in PHP 3 days.
My site heavily relies on this feature to let scripts realize in which
directory they are relatively to the server document root using
dirname(GetEnv("SCRIPT_NAME")) . So, my site is seriously broken because I
use this everywhere in the site.
I talked with Andi and he is not willing to restore the original behaviour
because the fix was done more than 1 year ago.
So, I propose that some option be added to php.ini that lets developers
restore the original behaviour so that their sites don't break because of
this change.
I also would like to recommend PHP developers to take more care when making
these changes that break the existing PHP code base of PHP users because
many ISP are refusing to upgrade to more recent versions because it breaks
their clients PHP code and they would be loosing business if they would
upgrade to a newer version.
Please consider this proposal carefully to avoid being accused of
unprofessionalism of not assuring backwards compatibility of PHP functions
behaviour.
--
Edit bug report at: http://bugs.php.net/?id=14538&edit=1
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