How to have same admin login for more than one site?

As far I researched separate WordPress installation with separate database is not possible using WordPress default trick unless you do some other tricks like “Logging in through API” or any kind of that. So in your situation I think there are two way you can do that. You can use WordPress multisite installation and create … Read more

multisite shared settings

Update from comments To convert an array of options to site options, you can try something like this: add_action( ‘init’, ‘wpse245699_use_site_options’ ); function wpse245699_use_site_options() { // Uses site options for these options. $required_site_options = array( ‘some_option_name’, ‘another_option_name’, ‘and_another_one’, ); foreach( $required_site_options as $option ) { add_action( ‘update_option_’ . $option, ‘wpse245699_update_site_option’, 10, 3 ); add_filter( ‘pre_option_’ … Read more

WordPress multisite: wp-admin 403 error

Sounds like you install WordPress on a subdirectory (/multi) and on localhost? Can you log in the main site admin: /multi/wp-admin? The error is to do with “permission to access the requested directory”, it’s probably not to do with WordPress settings/config. Check your WP installation again for potential missing steps (which might cause the permission … Read more

Admin dashboard does not show WordPress network sites

On default you can’t display all sites of the network on a site of network, like your first screenshot. This is the Dashboard of a site. The site is instance of the network and have no data, dependencies of the network. The network admin have all information about the network, also the list of all … Read more