[Roger]

genius little snippet:

function switch_all_multisite_themes() {
    foreach ( get_sites() as $site ) {
        switch_to_blog( $site->blog_id );

        switch_theme( 'twentyeleven' );

        restore_current_blog();
    }
}
switch_all_multisite_themes();  // run this function only once

https://wordpress.stackexchange.com/questions/54543/how-to-mass-change-theme-for-all-multisite-network-sites

[Roy]

Where to put this code??

[Elijah]

Where to put this code??

You can add to your main site theme in the functions.php file temporarily and refresh the page on frontend, then it should work.

After that delete the snippet

[Brittany]

someone should extend this function into other useful tasks for WP Multisite

[Justin]

👍👍👍

[Author]

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