MediaWiki: 1.31
PHP: 7.2
We have TemplateData installed and run PHP 7.2, but there is a compatibility issue with PHP 7.2 when executing functions. It should be fixed so that it can also be compatible with the latest PHP 7.2
```
[16-Aug-2018 17:38:30 UTC] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /srv/mediawiki/w/extensions/TemplateData/ api/ApiTemplateData.php on line 133
2018-08-16 17:38:38 mw1 oryzawiki: [87d4a45713e389a945f81587] /w/api.php?format= json&action=templatedata&doNotIgnoreMissingTitles=1&titles=Template%3ATrack%20li sting ErrorException from line 133 of /srv/mediawiki/w/extensions/TemplateData /api/ApiTemplateData.php: PHP Warning: count(): Parameter must be an array or an object that implements Countable
#0 /srv/mediawiki/w/extensions/TemplateData/api/ApiTemplateData.php(133): MWExce ptionHandler::handleError(integer, string, string, integer, array)
#1 /srv/mediawiki/w/includes/api/ApiMain.php(1579): ApiTemplateData->execute()
#2 /srv/mediawiki/w/includes/api/ApiMain.php(535): ApiMain->executeAction()
#3 /srv/mediawiki/w/includes/api/ApiMain.php(506): ApiMain->executeActionWithErr orHandling()
#4 /srv/mediawiki/w/api.php(94): ApiMain->execute()
#5 {main}
[16-Aug-2018 17:38:38 UTC] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /srv/mediawiki/w/extensions/TemplateData/ api/ApiTemplateData.php on line 133
```