From:             j at ww dot com
Operating system: linux/debian
PHP version:      5.2CVS-2008-11-15 (CVS)
PHP Bug Type:     Filter related
Bug description:  strip tags does not honor end-of-comment when it encounters a 
single quote

Description:
------------
There is a nasty little gotcha in 'strip_tags', if you have a single quote
inside an html comment strip_tags will ignore the end-of-comment tag!

So, <!-- test --> this works, but <!-- test I've --> this does not, the
end-of-comment tag will be ignored.



Reproduce code:
---------------
$i = "<!-- testing I've been to mars --> quite so";

echo(strip_tags($i));



Expected result:
----------------
It should read "quite so", instead it returns a blank string, presumably
because no end quote was encountered (the parser has probably switched into
'attribute' mode, but in a comment there are no attributes). Adding another
quote to the above example will verify this hypothesis.



Actual result:
--------------
an empty string.

-- 
Edit bug report at http://bugs.php.net/?id=46578&edit=1
-- 
Try a CVS snapshot (PHP 5.2):        
http://bugs.php.net/fix.php?id=46578&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):        
http://bugs.php.net/fix.php?id=46578&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):        
http://bugs.php.net/fix.php?id=46578&r=trysnapshot60
Fixed in CVS:                        
http://bugs.php.net/fix.php?id=46578&r=fixedcvs
Fixed in CVS and need be documented: 
http://bugs.php.net/fix.php?id=46578&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=46578&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=46578&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=46578&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=46578&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=46578&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=46578&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=46578&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=46578&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=46578&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=46578&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=46578&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=46578&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=46578&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=46578&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=46578&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=46578&r=mysqlcfg

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