Multilanguage

Our Multi-language is achieved by MultilingualPress plugin. The whole idea is only creating a new site in our Multi-Network, and giving it translated content. So MultilingualPress plugin is more of a helper to have nice transitions between language mutations (widget to switch language, and languages shown in wp-admin).

To add the language mutation site

• Using NetworkAdmin -> Sites -> Add new add CZ site (e.g. Climbing4Water Prague (CZ) ), name its URL only cz, because the basic Add Site does not like / in the URL
• In new MultilingualPress section, fill it somehow like this:

Note: 'Relationship' should be set for the original english mutation to achieve transition; 'Alternative language title' does not need to be specified, we are probably not gonna use it); 'Based on site' is useful, since it actually copies all Customizer content and activates plugins => saves a lot of time

• Similar as adding any other site under our network achieve the hierarchy by fixing URLs in wp_X_options table, /prague/dance/cz is our new URL.
• After site is created and functional, go to NetworkAdmin -> Sites -> All sites, click Edit on the new language mutation site, and under the MultilingualPress tab, fill in the 'Flag image URL' input. Using external URL such as http://img.freeflagicons.com/thumb/speech_bubble_icon/czech_republic/czech_republic_64.png should suffice for now.
• As a last step, the Language Switcher widget needs to be added to Header area under Appearance -> Widgets (see below & make it similar for all Header areas). DONE!!
• Here is another step-by-step guide from Slack that you may find useful, it has some more information too ;)