Multi-purpose plugin triggering blank pages with PHP 7

Posted in: Newspaper
Post count: 118

Hi guys,

I have been working on a sandbox site, and when I updated it from PHP 5.6 to PHP 7.0, my pages went blank. Posts still visible as normal.

Reinstalled latest version of theme from Themeforest, deleted/reinstalled all TD plugins and deactivated everything else.

Have traced issue to the TD multi-purpose plugin. Currently running only TD composer, which displays many errors on the page from multi-purpose elements not working.
I get three “wp_booster error” warnings above the header and several errors in the page itself.

When I activate the multi-purpose plugin, everything goes blank apart from the header and main menu.

If I try to edit the page using TD composer, I get the following error:
Errors happened during tdcIframeData.init() -> bindViewsModelsWrappers()!

Have deleted browser caches, been checking from different computers, logged in and logged out, makes no difference. Site is not connected to a CDN and not running any caching programme.

Site homepage is: http://compareallvans.co.uk/
Example of working post is: http://compareallvans.co.uk/volvo-xc40-review/

If I revert to PHP 5.6, everything returns to normal and looks fine.

Do you have any suggestions, or is this a bug?

Post count: 118

Update: I have a live site running Newspaper with Visual Composer and several other plugins, had exactly the same issue when updating from PHP 5.6 to PHP 7.0.

Pages built with Visual Composer go blank on PHP 7.0 yet posts work fine. Revert to 5.6 and everything works perfectly.

This site does not have TD composer or other TD plugins installed (apart from social counter).

https://thevanexpert.co.uk

Post count: 20685

Hi,

The latest theme version of the theme is fully compatible with PHP versions up to 7.2. So are the theme plugins (be sure to use the latest version)

If there are problems despite using the latest version of the theme and plugins, and you tested with only the tagDiv composer active, we could take a look. Check the theme system status before
https://forum.tagdiv.com/system-status-parameters-guide/
Send us admin login, as well as FTP and cPanel access if possible, at contact@tagdiv.com and we will investigate. Please also include a link to this topic in the email.

Thanks

Post count: 118

To update everyone else on this issue, in case it helps:

We tracked it down to our server not having mbstring activated for PHP 7.0/7.1/7.2. I had no idea what this even was, but Bogdan was outstanding in patiently working through the different potential issues until pinpointing the trigger for our blank pages.

Many thanks Bogdan and the entire tagDiv support team.

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