Edit report at https://bugs.php.net/bug.php?id=47494&edit=1
ID: 47494
Comment by: another_disappointed_php_programmer at example dot
com
Reported by: philipp dot feigl at gmail dot com
Summary: htmlspecialchars does not throw E_WARNING on
multibyte problems
Status: Not a bug
Type: Feature/Change Request
Package: Strings related
Operating System: CentOS5
PHP Version: 5.2.8
Block user comment: N
Private report: N
New Comment:
This is very sad.
This is a bug, and it's sad that PHP core developers said that it's a feature
and it won't be fixed. I'm disappointed.
Previous Comments:
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[2012-07-01 15:34:03] [email protected]
This really isn't a bug. I do agree that the approach isn't ideal, but we
shouldn't throw warnings on bad input here because htmlspecialchars() is
explicitly designed to clean up bad input and it is run directly on user data
most of the time. In order for someone to avoid this warning they would need to
first call something like iconv('utf-8','utf-8') to clean up the input data and
that doesn't make much sense since htmlspecialchars() essentially does that
already. But, in order to help debugging there should be some way to see why an
htmlspecialchars() call failed so a last_error() function similar to how it is
handled for json decoding would make sense.
------------------------------------------------------------------------
[2012-07-01 15:12:31] chris at cbsinteractive dot com
Happening our production servers, can replicate, PHP 5.3.10, Centos 5.6
------------------------------------------------------------------------
[2011-09-27 22:43:02] rudd-o at rudd-o dot com
Reported to /r/lolphp here:
http://www.reddit.com/r/lolphp/comments/kso6p/if_error_reporting_is_on_htmlspecia
lchars_will/
Do you guys realize there is an ENTIRE COMMUNITY of people devoted to the
collective practice of FACEPALMING at PHP's fails?
Hahaha.
------------------------------------------------------------------------
[2011-06-01 18:36:28] larry at garfieldtech dot com
This bug should be reopened, not just documented. Haven't we learned our
lesson with magic_quotes and its ilk? Designing PHP to try and save the user
when the user does something stupid always backfires. Always. MySQL has the
same problem, and it backfires there, too.
The current logic is simply backward. "When display_errors is on, you get all
errors except from this function. When display_errors is off, you get no
errors except from this one function." There is no logical reason for that.
I'm working on a project that has been stalled for over a week while we try to
figure out what's wrong with the character encoding configuration on our
production server, only to realize that the data is (probably) bad but we
didn't know it because of this bug.
This is a bug and should be fixed, not simply documented as dumb.
If a production server is misconfigured, that's not the job of the language to
fix. All that does is, as another commenter noted, punish those who configure
their servers properly. If anything, it is a security hole for people who DO
configure their server properly by turning off display_errors, as then these
strings would get echoed in production. How is that helpful to anyone?
------------------------------------------------------------------------
[2011-05-03 17:48:02] pinkgothic at gmail dot com
Could this bug please get REOPENED as a documentation bug
then? As already stated, the absence of the information in
the documentation can be crippling for people who do things
-right-. (Admittedly right now "htmlspecialchars" has my
comment on the subject, but that's hardly official...)
(Sidenote: You might also want to close Bug #54109 as bogus
for consistency.)
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the rest of the comments, please view the bug report online at
https://bugs.php.net/bug.php?id=47494
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