[pmwiki-users] Error messages: The /e modifier is deprecated...

Wolfgang Faust wolfgangmcq at gmail.com
Sun Feb 16 18:23:24 CST 2014

Thank you for the instructions. I found the problem (the phpinc recipe),
fixed it in my installation, and submitted a patch to the author. Would it
perhaps be a good idea to put these instructions somewhere on the wiki so
that others can benefit from them as well?

On Sun, Feb 16, 2014 at 2:25 AM, Petko Yotov <5ko at 5ko.fr> wrote:

> Wolfgang Faust writes:
>  « HTML content follows »
>> My PmWiki installation is outputting a lot of error messages like the
>> following:
>> Deprecated: preg_replace(): The /e modifier is deprecated, use
>> preg_replace_callback instead in /var/www/wolf-new/public_html/pmwiki/pmwiki.php
>> on line 1662
>> This error was supposedly fixed in version 2.2.56; I'm running the latest
>> (2.2.61). I presume that this error message is the result of some
>> customization I have, but I don't know enough about the internals of PmWiki
>> to find out what. How do I track down what is causing this error?
> First, double-check you have updated all core files, pmwiki.php and all
> files in the scripts/ directory.
> See also if in your cookbook and pub/skins directories you have the latest
> recipes and skins that were published by their maintainers on
> pmwiki.org/wiki/Cookbook.
> Next, in config.php disable all recipes: included files from the cookbook
> directory, or a custom skin, or any line starting with "Markup(". You can
> insert # at the beginning of a line to disable it.
> Then test the wiki: if you have disabled everything, the warning message
> should disappear.
> Next, re-enable your customizations one after another, each time testing
> the wiki. If at some point the warnings re-appear, you'll know that the
> customization you just enabled is not compatible with PHP 5.5.
> You can contact the authors of the broken recipes and (kindly) ask them to
> update their recipes for PHP 5.5 - recent PmWiki versions add new helper
> functions which make it easy. See http://pmwiki.org/CustomMarkup .
> If you cannot have the recipes fixed by their authors, tell us and we'll
> try to fix them.
> Note that many hosting providers allow you to run different versions of
> PHP. See the documentation of your hosting plan to learn how to enable a
> PHP version earlier than 5.5.
> Finally, it is possible to suppress these warnings in PHP 5.5, by setting
> this line at the beginning of config.php:
>  error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
> This will work, but should be a temporary solution, left only until your
> recipes are fixed.
> Petko
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