Change the language of a Multisite

This week I had problems with changing the language of my multisite, for those who have the sample problem I wrote a quick guide:

On a normal WordPress installation you can change the language in your wp-config.php file. When I like to change the language to Dutch (by example) I define:

define ('WPLANG', 'nl_NL');

Make sure the language files (.mo) are located in your languages folder in wp-content.

But I recently tried this on a multisite, and nothing happened!

I discovered that the multisite also stores the language in his settings (database), so you have to change this for every site in your network (it makes sense!).

  • In wp-admin go to the site admin area (right top of the admin)
    /wp-admin/network/sites.php
  • Chose ‘edit’ for the website(s) you like to change the language
  • Go to the settings tab and look for the setting called WPLANG
  • Change (or define if it is empty) the language to nl_NL (or your own language)

Website language should be changed now! Again; make sure the language files (.mo) are located in your languages folder in wp-content.

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