/**
  * Print result message box error / updated
  * @since 0.2.0
  * @param  array $form_message messages to print
  */
 public static function result_message($form_message)
 {
     if (isset($form_message['error'])) {
         echo '<div id="message" class="error">';
         echo '    <p>' . $form_message['error'] . '</p>';
         echo '</div>';
     } else {
         echo '<div id="message" class="updated">';
         echo '  <p>';
         echo '      <strong>' . $form_message['msg'] . ' : ' . '</strong>';
         switch_to_blog($form_message['site_id']);
         $user = get_current_user_id();
         echo '      <a href="' . get_dashboard_url($user) . '">' . MUCD_NETWORK_PAGE_DUPLICATE_DASHBOARD . '</a> - ';
         echo '      <a href="' . get_site_url() . '">' . MUCD_NETWORK_PAGE_DUPLICATE_VISIT . '</a> - ';
         echo '      <a href="' . admin_url('customize.php') . '">' . MUCD_NETWORK_CUSTOMIZE . '</a>';
         if ($log_url = MUCD_Duplicate::log_url()) {
             echo ' - <a href="' . $log_url . '">' . MUCD_NETWORK_PAGE_DUPLICATE_VIEW_LOG . '</a>';
         }
         restore_current_blog();
         echo '  </p>';
         echo '</div>';
     }
 }
 /**
  * Stop process on SQL Error, print and log error, removes the new blog
  * @since 0.2.0
  * @param  string  $sql_query the query
  * @param  string  $sql_error the error
  */
 public static function sql_error($sql_query, $sql_error)
 {
     $error_1 = 'ERROR SQL ON : ' . $sql_query;
     MUCD_Duplicate::write_log($error_1);
     $error_2 = 'WPDB ERROR : ' . $sql_error;
     MUCD_Duplicate::write_log($error_2);
     MUCD_Duplicate::write_log('Duplication interrupted on SQL ERROR');
     echo '<br />Duplication failed :<br /><br />' . $error_1 . '<br /><br />' . $error_2 . '<br /><br />';
     if ($log_url = MUCD_Duplicate::log_url()) {
         echo '<a href="' . $log_url . '">' . MUCD_NETWORK_PAGE_DUPLICATE_VIEW_LOG . '</a>';
     }
     MUCD_Functions::remove_blog(self::$to_site_id);
     wp_die();
 }
 /**
  * Init log object
  * @since 0.2.0
  * @param  array $data data from FORM
  */
 public static function init_log($data)
 {
     // INIT LOG AND SAVE OPTION
     if (isset($data['log']) && $data['log'] == 'yes') {
         if (isset($data['log-path']) && !empty($data['log-path'])) {
             $log_name = @date('Y_m_d_His') . '-' . $data['domain'] . '.log';
             if (substr($data['log-path'], -1) != "/") {
                 $data['log-path'] = $data['log-path'] . '/';
             }
             MUCD_Duplicate::$log = new MUCD_Log(true, $data['log-path'], $log_name);
         }
     } else {
         MUCD_Duplicate::$log = new MUCD_Log(false);
     }
 }
 /**
  * Duplicate a site in a multisite install.
  *
  * ## OPTIONS
  *
  * --slug=<slug>
  * : Path for the new site. Subdomain on subdomain installs, directory on subdirectory installs.
  *
  * --source=<site_id>
  * : ID of the site to duplicate.
  *
  * [--title=<title>]
  * : Title of the new site. Default: prettified slug.
  *
  * [--email=<email>]
  * : Email for Admin user. User will be created if none exists. Assignement to Super Admin if not included.
  *
  * [--network_id=<network-id>]
  * : Network to associate new site with. Defaults to current network (typically 1).
  *
  * [--private]
  * : If set, the new site will be non-public (not indexed)
  *
  * [--porcelain]
  * : If set, only the site id will be output on success.
  *
  * [--v]
  * : If set, print more details about the new site (Verbose mode). Do not work if --procelain is set.
  *
  * [--do_not_copy_files]
  * : If set, files of the duplicated site will not be copied.
  *
  * [--keep_users]
  * : If set, the new site will have the same users as the duplicated site.
  *
  * [--log=<dir_path>]
  * : If set, a log will be written in this directory (please check this directory is writable).
  *
  * @alias clone
  *
  * @synopsis --slug=<slug> --source=<site_id> [--title=<title>] [--email=<email>] [--network_id=<network-id>] [--private] [--porcelain] [--v] [--do_not_copy_files] [--keep_users] [--log=<dir_path>]
  */
 public function __invoke($_, $assoc_args)
 {
     if (!is_multisite()) {
         WP_CLI::error('This is not a multisite install.');
     }
     global $wpdb, $current_site;
     $base = $assoc_args['slug'];
     $title = isset($assoc_args['title']) ? $assoc_args['title'] : ucfirst($base);
     $email = empty($assoc_args['email']) ? '' : $assoc_args['email'];
     // Network
     if (!empty($assoc_args['network_id'])) {
         $network = MUCD_Functions::get_network($assoc_args['network_id']);
         if ($network === false) {
             WP_CLI::error(sprintf('Network with id %d does not exist.', $assoc_args['network_id']));
         }
     } else {
         $network = $current_site;
     }
     $network_id = $network->id;
     $public = !isset($assoc_args['private']);
     // Sanitize
     if (preg_match('|^([a-zA-Z0-9-])+$|', $base)) {
         $base = strtolower($base);
     }
     // If not a subdomain install, make sure the domain isn't a reserved word
     if (!is_subdomain_install()) {
         $subdirectory_reserved_names = apply_filters('subdirectory_reserved_names', array('page', 'comments', 'blog', 'files', 'feed'));
         if (in_array($base, $subdirectory_reserved_names)) {
             WP_CLI::error('The following words are reserved and cannot be used as blog names: ' . implode(', ', $subdirectory_reserved_names));
         }
     }
     // Check for valid email, if not, use the first Super Admin found
     // Probably a more efficient way to do this so we dont query for the
     // User twice if super admin
     $email = sanitize_email($email);
     if (empty($email) || !is_email($email)) {
         $super_admins = get_super_admins();
         $email = '';
         if (!empty($super_admins) && is_array($super_admins)) {
             // Just get the first one
             $super_login = $super_admins[0];
             $super_user = get_user_by('login', $super_login);
             if ($super_user) {
                 $email = $super_user->user_email;
             }
         }
     }
     if (is_subdomain_install()) {
         $newdomain = $base . '.' . preg_replace('|^www\\.|', '', $network->domain);
         $path = $network->path;
     } else {
         $newdomain = $network->domain;
         $path = $network->path . $base . '/';
     }
     // Source ?
     $source = $assoc_args['source'];
     if (!intval($source) != 0) {
         WP_CLI::error($source . ' is not a valid site ID.');
     }
     if (!MUCD_Functions::site_exists($source)) {
         WP_CLI::error('There is no site with ID=' . $source . '. The site to duplicate must be an existing site of the network.');
     }
     // Copy files ?
     $copy_files = isset($assoc_args['do_not_copy_files']) ? 'no' : 'yes';
     // Keep users ?
     $keep_users = isset($assoc_args['keep_users']) ? 'yes' : 'no';
     // Write log
     if (isset($assoc_args['log'])) {
         $log = 'yes';
         $log_path = $assoc_args['log'];
     } else {
         $log = 'no';
         $log_path = '';
     }
     $data = array('source' => $source, 'domain' => $base, 'title' => $title, 'email' => $email, 'copy_files' => $copy_files, 'keep_users' => $keep_users, 'log' => $log, 'log-path' => $log_path, 'from_site_id' => $source, 'newdomain' => $newdomain, 'path' => $path, 'public' => $public, 'network_id' => $network_id);
     $wpdb->hide_errors();
     $form_message = MUCD_Duplicate::duplicate_site($data);
     $wpdb->show_errors();
     if (isset($form_message['error'])) {
         WP_CLI::error($form_message['error']);
     } else {
         if (isset($assoc_args['porcelain'])) {
             WP_CLI::line($form_message['site_id']);
         } else {
             switch_to_blog($form_message['site_id']);
             if (!isset($assoc_args['v'])) {
                 WP_CLI::success('Site ' . $form_message['site_id'] . ' created: ' . get_site_url());
             } else {
                 // Verbose mode
                 WP_CLI::success($form_message['msg']);
                 $user = get_current_user_id();
                 WP_CLI::line("ID        : " . $form_message['site_id']);
                 WP_CLI::line("Title     : " . get_bloginfo('name'));
                 WP_CLI::line("Front     : " . get_site_url());
                 WP_CLI::line("Dashboard : " . admin_url());
                 WP_CLI::line("Customize : " . admin_url('customize.php'));
             }
             restore_current_blog();
         }
     }
 }
<div class="wrap">
    <h2 id="duplicate-site"><?php 
echo MUCD_NETWORK_PAGE_DUPLICATE_TITLE;
?>
</h2>

    <?php 
if (MUCD_Duplicate::log_error()) {
    MUCD_Admin::log_error_message();
}
if (isset($form_message)) {
    MUCD_Admin::result_message($form_message);
}
?>

    <form method="post" action="<?php 
echo network_admin_url('sites.php?page=' . MUCD_SLUG_NETWORK_ACTION . '&action=' . MUCD_SLUG_ACTION_DUPLICATE);
?>
">
        <?php 
wp_nonce_field(MUCD_DOMAIN);
?>

        <table class="form-table">
           <tr class="form-required">
                <th scope='row'><?php 
echo MUCD_NETWORK_PAGE_DUPLICATE_FIELD_SOURCE;
?>
</th>
                <td>
                    <?php 
 /**
  * Stop process on Creating dir Error, print and log error, removes the new blog
  * @since 0.2.0
  * @param  string  $dir_path the path
  */
 public static function mkdir_error($dir_path)
 {
     $error_1 = 'ERROR DURING FILE COPY : CANNOT CREATE ' . $dir_path;
     MUCD_Duplicate::write_log($error_1);
     $error_2 = sprintf(MUCD_NETWORK_PAGE_DUPLICATE_COPY_FILE_ERROR, MUCD_Functions::get_primary_upload_dir());
     MUCD_Duplicate::write_log($error_2);
     MUCD_Duplicate::write_log('Duplication interrupted on FILE COPY ERROR');
     echo '<br />Duplication failed :<br /><br />' . $error_1 . '<br /><br />' . $error_2 . '<br /><br />';
     if ($log_url = MUCD_Duplicate::log_url()) {
         echo '<a href="' . $log_url . '">' . MUCD_NETWORK_PAGE_DUPLICATE_VIEW_LOG . '</a>';
     }
     MUCD_Functions::remove_blog(self::$to_site_id);
     wp_die();
 }