From:             tolkad dot freenode at gmail dot om
Operating system: N/A
PHP version:      5.3.1
PHP Bug Type:     *General Issues
Bug description:  strip_tags wraps around on tags longer than 1023 characters

Description:
------------
If there are allowed tags, strip_tags will wrap around tags greater than
1023 (PHP_TAG_BUF_SIZE) characters.

If this is absolutely necessary it should at least be documented.

Also, why does strip_tags strip null bytes and why isn't this documented?

Reproduce code:
---------------
<?php
$str = "<a" . str_repeat(' ', 1021) . ">";
echo strip_tags($str, "<a>");


Expected result:
----------------
<a(1021 spaces)>

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

-- 
Edit bug report at http://bugs.php.net/?id=51102&edit=1
-- 
Try a snapshot (PHP 5.2):            
http://bugs.php.net/fix.php?id=51102&r=trysnapshot52
Try a snapshot (PHP 5.3):            
http://bugs.php.net/fix.php?id=51102&r=trysnapshot53
Try a snapshot (PHP 6.0):            
http://bugs.php.net/fix.php?id=51102&r=trysnapshot60
Fixed in SVN:                        
http://bugs.php.net/fix.php?id=51102&r=fixed
Fixed in SVN and need be documented: 
http://bugs.php.net/fix.php?id=51102&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=51102&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=51102&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=51102&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=51102&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=51102&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=51102&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=51102&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=51102&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=51102&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=51102&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=51102&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=51102&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=51102&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=51102&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=51102&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=51102&r=mysqlcfg

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