'; echo '

MU TEST OK — shared MU plugin.

'; echo ''; }); add_action('admin_bar_menu', function ($wp_admin_bar) { if (!current_user_can('manage_options')) { return; } $wp_admin_bar->add_node([ 'id' => 'mu-test-ok', 'title' => 'MU TEST OK', 'href' => admin_url('plugins.php?plugin_status=mustuse'), 'meta' => [ 'title' => 'MU plugin', ], ]); }, 100); add_action('wp_footer', function () { if (!current_user_can('manage_options')) { return; } echo '

MU TEST OK

'; });