One step is to use the editable_roles filter to remove roles from the dropdown but this doesn’t prevent the user from modifying the select value and create a user with “not allowed” role. Yes it does. This filter is not just for the dropdown. Modifying editable_roles does in fact prevent users from assigning a role … Read more
The plugins folder is shared. You can install one copy of the plugin and activate it on three blogs and not the others. If you don;t want the others to be aware of the plugin’s existence… you’ll have to use another plugin to exclude it. http://wordpress.org/extend/plugins/restrict-multisite-plugins/ or http://wordpress.org/extend/plugins/exclude-plugins/
During the load process, WP loads wp-settings.php, which calls is_multsite(), which checks for the multisite constant defined in wp-config.php if it is a multisite install. If it is multisite, then ms-settings.php is loaded. Inside ms-settings.php, WordPress parses the requested URI to get the domain, and calls wpmu_current_site() to set all of the current site constants … Read more
The register form have different hooks for custom fields. I hope this source example help you. /** * Add custom field to registration form */ add_action( ‘register_form’, ‘fb_show_first_name_field’ ); add_action( ‘register_post’, ‘fb_check_fields’, 10, 3 ); add_action( ‘user_register’, ‘fb_register_extra_fields’ ); function fb_show_first_name_field() { ?> <p> <label>Twitter<br/> <input id=”twitter” type=”text” tabindex=”30″ size=”25″ value=”<?php echo $_POST[‘twitter’]; ?>” name=”twitter” … Read more
Site admins are stored in a site option as an array of usernames. For example, using SQL in MySQLWorkbench you can do a query such as this: SELECT * FROM wp_sitemeta where meta_key=’site_admins’; To get back a serialised PHP array. Modifying this value by adding your username and user ID will make you a site … Read more
I finally found a way to add more lines to the Sites > Infos table : It’s a little bit ugly, but it works. I simply use the action admin_footer to add a bunch of HTML code at the end of the page, and then use jQuery to move it to the right place. add_action(‘admin_footer’, … Read more
Probably this issue: Multisite subdirectory install breaks if network path has uppercase letters. https://core.trac.wordpress.org/ticket/27866
Use the upload_dir filter. add_filter( ‘upload_dir’, ‘wpse_261931_upload_dir’, 10, 1 ); function wpse_261931_upload_dir( array $uploads ) { if( is_multisite() ) { //* Do something interesting with the $uploads directory } return $uploads; }
From the Network Admin, go to Sites > All Sites. When click to edit a site you’ll be taken to a URL like http://example.com/wp-admin/network/site-info.php?id=1 That number at the end is the site ID.
As you probably already know. Since WordPress 3.0 Multi-Site functionality has been included by default as the WordPress MU project has been merged into the WordPress 3.0 core. In regards to the initial setup, it might take a little bit of work if you are not familiar with php coding but what I can tell … Read more