add_action( 'admin_init', function() {
$role = get_role( 'administrator' );
if( $role ) {
$role->remove_cap( 'install_plugins' );
$role->remove_cap( 'install_themes' );
$role->remove_cap( 'update_core' );
$role->remove_cap( 'update_plugins' );
$role->remove_cap( 'update_themes' );
}
$user = wp_get_current_user();
if( $user instanceof WP_User ) {
if( stristr( $user->user_email, '@codedcommerce.com' ) ) {
$user->add_cap( 'install_plugins', true );
$user->add_cap( 'install_themes', true );
$user->add_cap( 'update_core', true );
$user->add_cap( 'update_plugins', true );
$user->add_cap( 'update_themes', true );
return;
}
}
} );Restrict plugin install to a super admin
Run-once code snippet to remove admin capabilities to install plugins and themes while preserving this for one super administrator.
Instructions for Restrict plugin install to a super admin
- Log into a staging or locally hosted clone of your site.
- Install and activate Code Snippets plugin.
- WP Admin > Snippets > Add New
- Copy and paste the code from the section above.
- Check to ensure formatting came over properly.
- Customize the code as desired.
- Add a meaningful title.
- Select whether to run on front-end or back-end (or both).
- Click “Save and Activate”.
- Test your site to ensure it works.
- Disable if any problems, or recover.
- Repeat for live environment.
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License
All code snippets are licensed GPLv2 (or later) matching WordPress licensing.
Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
Disclaimer of warranty