[TYPO3-core] RFC #9194: Bug: wrong handling of 'is_in' list in TCA element type 'input'

[Vladimir Podkovanov]

Martin Kutschker wrote:
> Vladimir Podkovanov schrieb:
>> Hi!
>>
>> This is an SVN patch request.
>>
>> Type: Bugfix
>>
>> Bugtracker references: http://bugs.typo3.org/view.php?id=9194
>>
>> Branches: TYPO3_4-1, TYPO3_4-2, trunk
>>
>> Problem:
>> when 'is_in' string in TCA element type 'input' ends with symbol '0'
>> (say '1234567890') then '0' is not taken into account so 0's stripped
>> off from field value
>>
>> Solution:
>> changed logical condition to avoid evaluation of string '0' as false
> 
> Now that you bring that up, I see that this code has another problem:
> It's not multi-byte safe. Both the loop and the substr() assume that
> each character is only one byte long. What should be done is to use the
> character set defined by $LANG->charset and use it with t3lib_cs.
> 
> Masi

Well,
I've checked now whole class.t3lib_tcemain.php and have found two more 
instances where strstr() or substr() using with possible multibyte 
values. So maybe we commit currect fix and then fixing 
class.t3lib_tcemain.php in new thread.

Vladimir