[pmwiki-users] Problems with my PMWiki Site after Update to PHP7.2 (from PHP5.6)

Thu Mar 21 00:46:18 PDT 2019

Making sure all software is up to date is a great idea if you have
forewarning of any server or PHP updates.

See

   - https://www.pmwiki.org/wiki/PmWiki/SiteAnalyzer

or

   - https://www.pmwiki.org/wiki/Cookbook/RecipeCheck

which will help you out

cheers

On Thu, 21 Mar 2019 at 06:59, Peter Kay <pkay42 at gmail.com> wrote:

> Actually, checking what skin you are using is an excellent idea.
>
> --Peter
>
> On Wed, Mar 20, 2019 at 12:30 PM Kevin R. Bulgrien <
> kevinb at systemsdesignusa.com> wrote:
>
>> ----- Original Message -----
>> > From: "Michael Lang" <miclang at arcor.de>
>> > To: pmwiki-users at pmichaud.com
>> > Sent: Wednesday, March 20, 2019 10:26:27 AM
>> > Subject: Re: [pmwiki-users] Problems with my PMWiki Site after Update
>> to PHP7.2 (from PHP5.6)
>> >
>> > There is no error.log file!
>> >
>> > Am 19.03.2019 um 17:04 schrieb Mikhail Ustinov:
>> > > Usually it is in the root of the site (/public_html or may be
>> > > /public_html/pmwiki).
>> > >
>> > > You need ssh or ftp access to the site.
>> > >
>> > > 19.03.2019 18:29, Michael Lang пишет:
>> > >> Where do I find the file error.log?
>> > >>
>> > >> Am 19.03.2019 um 16:18 schrieb Mikhail Ustinov:
>> > >>> Check your error.log
>> > >>>
>> > >>> May be you use some recipes that doesn't work under PHP7.2
>> > >>> because
>> > >>> uses obsoleted PHP functions.
>> > >>>
>> > >>> BR
>> > >>> Mike Ustinov
>> > >>>
>> > >>> 19.03.2019 18:10, Michael Lang пишет:
>> > >>>> Hi,
>> > >>>> my provider did an update to PHP7.2 (from PHP5.6) - after this I
>> > >>>> had severe problems with my PM Wiki site; all pages have been
>> > >>>> empty; the sidebar wasn't visible.. I had a small window to go
>> > >>>> back
>> > >>>> to PHP5.6 and I did an PM Wiki update to 2.2.113 (from 2.2.14) -
>> > >>>> under PHP5.6 everything was fine, but after my provider finaly
>> > >>>> switched to PHP7.2 I had the same problem. Any advice?
>> > >>>> Regards, Michael
>>
>> I had to resurrect a pmwiki when I updated from PHP 5.6 to PHP 7.2 on
>> RHEL.  The problems were entirely related to plugins or skins.  Many
>> required updating, but many of them in use were no longer currently
>> maintained, so it ended up that they had to be fixed or removed.  It
>> wasn't easy to remove them, so fixing became the best option, and the
>> patched files were uploaded to the relevant plugin pages on the
>> PMWiki project wiki.
>>
>> There is no information given about what plugins or skins might have
>> been in use, etc.  It seems unlikely for help to be possible with so
>> little effort given to providing information.
>>
>> Was a backup of the wiki made at any time?  Providers like Softaculous
>> offer backups being made before updates.  Even if not made before an
>> update, a backup made after would potentially allow for dropping
>> the files on a local system or VM to debug if the web host does
>> not allow shell access.  Did you ask for shell access?
>>
>> Here are brief notes about the site I fixed:
>>
>>         KB: 2018/12:
>>
>>         The pmwiki site broke completely after upgrading from PHP 5.6 to
>> PHP 7.2.
>>         The breakage appeared to be exclusively due to “Warning:
>> preg_replace(): The
>>         /e modifier is no longer supported” issues.
>>
>>         To address the issues, first, the site was upgraded to:
>> pmwiki-2.2.110
>>
>>         The triad skin was updated to the newest available at the time of
>> the repair.
>>
>>         Numerous cookbook files were either upgraded from the pmwiki
>> site, or were
>>         locally patched.  In most cases, locally patched files were
>> uploaded to the
>>         pmwiki site (https://pmwiki.org/wiki/Cookbook/) pages pertinent
>> to the files
>>         that were edits, though in two cases, the pmwiki recipe pages
>> were themselves
>>         affected by the preg_replace error, and changes could not be
>> shared at the
>>         time they were made.  The list of cookbook's modified:
>>
>>         -rw-r--r--. 1 SDwiki apache  3395 Dec  7 15:19 includeurl.php
>>         -rw-r--r--. 1 SDwiki apache  2568 Dec  7 15:14 handytoc.php
>>         -rw-r--r--. 1 SDwiki apache 21858 Dec  7 15:03 zap.php
>>         -rw-r--r--. 1 SDwiki apache 33265 Dec  7 15:00 wikilog.php
>>         -rw-r--r--. 1 SDwiki apache 42757 Dec  7 14:32 pmcal.php
>>         -rw-r--r--. 1 SDwiki apache 36879 Dec  7 14:24 markup.php
>>         -rw-r--r--. 1 SDwiki apache  8822 Dec  7 14:02 emenu2.php
>>         -rw-r--r--. 1 SDwiki apache  1744 Dec  7 13:53 emenu.php
>>         -rw-r--r--. 1 SDwiki apache  6985 Dec  7 13:41 break_page.php
>>         -rw-r--r--. 1 SDwiki apache 10681 Dec  7 13:38
>> AdvancedTableDirectives.php
>>         -rw-r--r--. 1 SDwiki apache  5661 Dec  7 13:34 convert-html.php
>>         -rw-r--r--. 1 SDwiki apache 46369 Dec  7 13:14 zaptoolbox.php
>>         -rw-r--r--. 1 SDwiki apache 43836 Dec  7 11:43
>> totalcounter_1_9_2.php
>>         -rw-r--r--. 1 SDwiki apache  3706 Dec  7 11:24 menus.php
>>         -rw-r--r--. 1 SDwiki apache  3700 Dec  7 10:59 numtoc.php
>>         -rw-r--r--. 1 SDwiki apache  5391 Dec  7 10:33
>> feralsimplecalendar.php
>>         -rw-r--r--. 1 SDwiki apache  1248 Dec  7 10:31 treemenu.php
>>
>> Naturally, your site will not be identical, but if you have things in the
>> cookbook folder, probably they should be checked first and upgraded or
>> edited as needed.  When looking for upgrades, don't just download the
>> plugin/skin tarball.  Many plugins have individual files posted when a
>> maintainer is not actively maintaining them.
>>
>> Other places for files that needed fixing were pub/* folders associated
>> with plugins or skins, though for me, only handytoc put files there
>> that needed changing.
>>
>> You should probably enabled diagnostics by uncommenting a line in the
>> local/config.php file:
>>
>>   # $EnableDiag = 1; # enable remote diagnostics
>>
>> There were only a few types of changes that had to be made.  Provided that
>> they turn out to be relevant, you could also look at how I changed the
>> aforementioned files by examining what was uploaded to the plugin page
>> and comparing it to the original published file.
>>
>> Good luck.  Without more facts, actual help is hard to give.
>>
>> Kevin
>>
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