Re: Message content not displayed after upgrade to PHP 7.3

Citeren Michael J Rubinsky <[email protected]>:

> Quoting Arjen de Korte <[email protected]>:
>
>> Citeren Arjen de Korte <[email protected]>:
>>
>>> Citeren Arjen de Korte <[email protected]>:
>>>
>>>> Just a heads-up for those that what to upgrade to PHP 7.3: it  
>>>> seems like there are some incompatibilities with Horde (master)  
>>>> in handling regular expressions.

Apologies for the wrong information, but this is with the latest  
packages from PEAR (not master).

>>>> Some (but not all) messages will not display content.
>>
>> It looks like HTML mail is displayed correctly and text-only ones don't.
>>
>>>> The following is logged for each message:
>>>>
>>>> 2018-12-25T12:47:27+01:00 WARN: horde [imp] PHP ERROR:  
>>>> preg_replace_callback(
>>>> ): Compilation failed: invalid range in character class at offset  
>>>> 68 [pid 207
>>>> 6 on line 99 of "/usr/share/php7/PEAR/Horde/Text/Filter.php"]
>>>> 2018-12-25T12:47:27+01:00 WARN: horde [imp] PHP ERROR:  
>>>> preg_replace_callback(
>>>> ): Compilation failed: invalid range in character class at offset  
>>>> 649 [pid 20
>>>> 76 on line 99 of "/usr/share/php7/PEAR/Horde/Text/Filter.php"]
>>>>
>>>> This may be due to the stricter interpretation of character  
>>>> ranges in classes.
>>>
>>> Note that the message content is available. I can reply to such a  
>>> message (like the one quoted above) just fine. So the trouble  
>>> seems to be in rendering messages, rather than grabbing them from  
>>> the IMAP server.
>
> Any chance you can get a stack trace to see where the regexp is  
> coming from? I can't reproduce this on a fresh VM I spun up with php  
> 7.3 and current git master.

I'll try. But since I'm hundreds of kilometers from the system and all  
I have is a mobile phone as a console (through ssh), it's a bit clumsy  
to apply changes. What is the exact line I need to insert before/after  
the offending code on line 99?

> I did find some regexps that needed to be fixed, but I dont' think  
> those are called when just displaying an email. See:  
> https://github.com/horde/imp/commit/5186ad002b0809960fd6096a2ca85ab8d2aab888
>
> Also, please make sure you are up to date with git on *all* packages.

I'm sorry about the confusion, this is on the packages from PEAR  
(up-to-date as of now).

> I know there were a few similar fixes not *too* long ago in some  
> other packages, like Text_Filter.



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