fix for PHP7 incompatibility

splitbrain / dokuwiki-plugin-statistics

Gather usage/view statistics of a DokuWiki

http://www.dokuwiki.org/plugin:statistics

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Closed micgro42 closed 6 years ago

micgro42 commented 6 years ago

This should probably be propagated to https://github.com/splitbrain/pChart as well.

So far this is the only hard error I've encountered with PHP7. It might be enough to fix #45?