From:             thedewi at hotmail dot com
Operating system: Debian with bpo backport
PHP version:      5.2.0
PHP Bug Type:     Strings related
Bug description:  htmlentities double escaping

Description:
------------
For some UTF-8 characters, htmlentities() returns...

&#nnnn;

... when it should return ...

&#nnnn;

The problem does not seem to occur in the punctuation or currency
subranges, but many subranges are affected including: drawing, greek,
cyrillic, hebrew.

It has been partially fixed in the past:

http://bugs.php.net/bug.php?id=11175

There has also been at least one other bug report, filed "Bogus" without a
very detailed explanation:

http://bugs.php.net/bug.php?id=27691

Presumably the above was a misunderstanding, but if you get the urge to
mark this bug as "Bogus", please explain it, because this behaviour seems
to result in unpredictable and ambiguous results (by which I mean that
applying a workaround will give false positives).

Reproduce code:
---------------
<?php
        print 'Form:<form action="?" method="post"><input type="text" name="foo"
size="80" value="' . htmlentities(stripslashes($_POST['foo']), ENT_QUOTES,
'UTF-8') . '"/></form>Thanks.';
?>


Expected result:
----------------
When I enter text into the input field, it should render a correctly
represented and escaped value in the resulting markup:

»€¥&#8486;&#8719;&#9617;&#9786;&#968;&#1069;&#1513; &#1603; 

Note: it seems this bug report form itself suffers from a similar problem,
so keep in mind that the above are unicode characters, not HTML escapes.

Actual result:
--------------

&raquo;€&yen;&amp;#8486;&amp;#8719;&amp;#9617;&amp;#9786;&amp;#968;&amp;#1069;&amp;#1513;
&amp;#1603; 

As you can see, the first few translations were correct, but the more
exotic ones failed.



-- 
Edit bug report at http://bugs.php.net/?id=40017&edit=1
-- 
Try a CVS snapshot (PHP 4.4): 
http://bugs.php.net/fix.php?id=40017&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): 
http://bugs.php.net/fix.php?id=40017&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): 
http://bugs.php.net/fix.php?id=40017&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=40017&r=fixedcvs
Fixed in release:             
http://bugs.php.net/fix.php?id=40017&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=40017&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=40017&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=40017&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=40017&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=40017&r=notwrong
Not enough info:              
http://bugs.php.net/fix.php?id=40017&r=notenoughinfo
Submitted twice:              
http://bugs.php.net/fix.php?id=40017&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=40017&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=40017&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=40017&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=40017&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=40017&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=40017&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=40017&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=40017&r=mysqlcfg

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