/**
* Problem: the various *_site_options() functions operate only on the current network
* Workaround: change the current network
*
* @since 1.3
* @param integer $new_network ID of network to manipulate
*/
function switch_to_network($new_network = 0, $validate = false)
{
global $wpdb, $switched_network, $switched_network_stack, $current_site;
if (empty($new_network)) {
$new_network = $current_site->id;
}
if (true == $validate && !network_exists($new_network)) {
return false;
}
if (empty($switched_network_stack)) {
$switched_network_stack = array();
}
array_push($switched_network_stack, $current_site);
/**
* If we're switching to the same network id that we're on,
* set the right vars, do the associated actions, but skip
* the extra unnecessary work
*/
if ($current_site->id === $new_network) {
do_action('switch_network', $current_site->id, $current_site->id);
$switched_network = true;
return true;
}
// Switch the current site over
$prev_site_id = $current_site->id;
$current_site = wp_get_network($new_network);
// Figure out the current network's main site.
if (!isset($current_site->blog_id)) {
$current_site->blog_id = get_main_site_for_network($current_site);
}
if (!isset($current_site->site_name)) {
$current_site->site_name = get_network_name();
}
$wpdb->siteid = $current_site->id;
$GLOBALS['site_id'] = $current_site->id;
do_action('switch_network', $current_site->id, $prev_site_id);
$switched_network = true;
return true;
}
/**
* Modify the domain/path of a network, and update all of its blogs
*
* @since 1.3
*
* @param integer id ID of network to modify
* @param string $domain New domain for network
* @param string $path New path for network
*/
function update_network($id, $domain, $path = '')
{
global $wpdb;
// Get network
$network = get_network($id);
// Bail if network not found
if (empty($network)) {
return new WP_Error('network_not_exist', __('Network does not exist.', 'wp-multi-network'));
}
// Get main site for this network
$site_id = get_main_site_for_network($id);
$path = wp_sanitize_site_path($path);
// Bail if site URL is invalid
if (!wp_validate_site_url($domain, $path, $site_id)) {
return new WP_Error('blog_bad', sprintf(__('The site "%s" is invalid, not available, or already exists.', 'wp-multi-network'), $domain . $path));
}
// Set the arrays for updating the db
$where = array('id' => $network->id);
$update = array('domain' => $domain, 'path' => $path);
// Attempt to update the network
$update_result = $wpdb->update($wpdb->site, $update, $where);
// Bail if update failed
if (is_wp_error($update_result)) {
return new WP_Error('network_not_updated', __('Network could not be updated.', 'wp-multi-network'));
}
$path = !empty($path) ? $path : $network->path;
$full_path = untrailingslashit($domain . $path);
$old_path = untrailingslashit($network->domain . $network->path);
// Also update any associated blogs
$sites = get_sites(array('network_id' => $network->id));
// Sites found
if (!empty($sites)) {
// Loop through sites and update domain/path
foreach ($sites as $site) {
// Empty update array
$update = array();
// Updating domain
if ($network->domain !== $domain) {
$update['domain'] = str_replace($network->domain, $domain, $site->domain);
}
// Updating path
if ($network->path !== $path) {
$search = sprintf('|^%s|', preg_quote($network->path, '|'));
$update['path'] = preg_replace($search, $path, $site->path, 1);
}
// Skip if not updating
if (empty($update)) {
continue;
}
// Update blogs table
$where = array('blog_id' => (int) $site->blog_id);
$wpdb->update($wpdb->blogs, $update, $where);
// Fix options table values
$option_table = $wpdb->get_blog_prefix($site->blog_id) . 'options';
// Loop through options and correct a few of them
foreach (network_options_list() as $option_name) {
// Query
$sql = "SELECT * FROM {$option_table} WHERE option_name = %s";
$prep = $wpdb->prepare($sql, $option_name);
$value = $wpdb->get_row($prep);
// Update if value exists
if (!empty($value) && false !== strpos($value->option_value, $old_path)) {
$new_value = str_replace($old_path, $full_path, $value->option_value);
update_blog_option($site->blog_id, $option_name, $new_value);
}
}
// Refresh blog details
refresh_blog_details($site->blog_id);
}
}
// Update network cache
clean_network_cache(array($network->id));
// Network updated
do_action('update_network', $network->id, array('domain' => $network->domain, 'path' => $network->path));
// Network updated
return true;
}
