I am running a WordPress Multisite Network in PHP 5.6.30 and MySQL Community Server 5.6.35

I plan to upgrade my server to PHP ver 7.1.x and MySQL to the MariaDB ver 10

Are there any issues that I need to be aware of and account for before I do such an upgrade?


WordPress recommends PHP7 and MariaDB 10.0 or higher, so your core installation should be fine.

If you're using any third-party plugins and/or themes (including ones you've written), you would be wise to ensure that they too are compatible with PHP7. Check the respective maintainers' support streams (either the relevant plugin/theme pages on wordpress.org or the relevant sites if they're downloaded / purchased from other venues).

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