/**
* Clear the blog details cache.
*
* @since MU
*
* @param int $blog_id Optional. Blog ID. Defaults to current blog.
*/
function refresh_blog_details($blog_id = 0)
{
$blog_id = (int) $blog_id;
if (!$blog_id) {
$blog_id = get_current_blog_id();
}
$details = get_blog_details($blog_id, false);
if (!$details) {
// Make sure clean_blog_cache() gets the blog ID
// when the blog has been previously cached as
// non-existent.
$details = (object) array('blog_id' => $blog_id, 'domain' => null, 'path' => null);
}
clean_blog_cache($details);
/**
* Fires after the blog details cache is cleared.
*
* @since 3.4.0
*
* @param int $blog_id Blog ID.
*/
do_action('refresh_blog_details', $blog_id);
}
/**
* Delete a site.
*
* @since 3.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $blog_id Site ID.
* @param bool $drop True if site's database tables should be dropped. Default is false.
*/
function wpmu_delete_blog($blog_id, $drop = false)
{
global $wpdb;
$switch = false;
if (get_current_blog_id() != $blog_id) {
$switch = true;
switch_to_blog($blog_id);
}
$blog = get_blog_details($blog_id);
/**
* Fires before a site is deleted.
*
* @since MU
*
* @param int $blog_id The site ID.
* @param bool $drop True if site's table should be dropped. Default is false.
*/
do_action('delete_blog', $blog_id, $drop);
$users = get_users(array('blog_id' => $blog_id, 'fields' => 'ids'));
// Remove users from this blog.
if (!empty($users)) {
foreach ($users as $user_id) {
remove_user_from_blog($user_id, $blog_id);
}
}
update_blog_status($blog_id, 'deleted', 1);
$current_site = get_current_site();
// If a full blog object is not available, do not destroy anything.
if ($drop && !$blog) {
$drop = false;
}
// Don't destroy the initial, main, or root blog.
if ($drop && (1 == $blog_id || is_main_site($blog_id) || $blog->path == $current_site->path && $blog->domain == $current_site->domain)) {
$drop = false;
}
$upload_path = trim(get_option('upload_path'));
// If ms_files_rewriting is enabled and upload_path is empty, wp_upload_dir is not reliable.
if ($drop && get_site_option('ms_files_rewriting') && empty($upload_path)) {
$drop = false;
}
if ($drop) {
$uploads = wp_get_upload_dir();
$tables = $wpdb->tables('blog');
/**
* Filters the tables to drop when the site is deleted.
*
* @since MU
*
* @param array $tables The site tables to be dropped.
* @param int $blog_id The ID of the site to drop tables for.
*/
$drop_tables = apply_filters('wpmu_drop_tables', $tables, $blog_id);
foreach ((array) $drop_tables as $table) {
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
}
$wpdb->delete($wpdb->blogs, array('blog_id' => $blog_id));
/**
* Filters the upload base directory to delete when the site is deleted.
*
* @since MU
*
* @param string $uploads['basedir'] Uploads path without subdirectory. @see wp_upload_dir()
* @param int $blog_id The site ID.
*/
$dir = apply_filters('wpmu_delete_blog_upload_dir', $uploads['basedir'], $blog_id);
$dir = rtrim($dir, DIRECTORY_SEPARATOR);
$top_dir = $dir;
$stack = array($dir);
$index = 0;
while ($index < count($stack)) {
// Get indexed directory from stack
$dir = $stack[$index];
$dh = @opendir($dir);
if ($dh) {
while (($file = @readdir($dh)) !== false) {
if ($file == '.' || $file == '..') {
continue;
}
if (@is_dir($dir . DIRECTORY_SEPARATOR . $file)) {
$stack[] = $dir . DIRECTORY_SEPARATOR . $file;
} elseif (@is_file($dir . DIRECTORY_SEPARATOR . $file)) {
@unlink($dir . DIRECTORY_SEPARATOR . $file);
}
}
@closedir($dh);
}
$index++;
}
$stack = array_reverse($stack);
// Last added dirs are deepest
foreach ((array) $stack as $dir) {
if ($dir != $top_dir) {
@rmdir($dir);
}
}
clean_blog_cache($blog);
}
if ($switch) {
restore_current_blog();
}
}
/**
* Clear the blog details cache.
*
* @since MU
*
* @param int $blog_id Blog ID
*/
function refresh_blog_details($blog_id)
{
$blog_id = (int) $blog_id;
$details = get_blog_details($blog_id, false);
if (!$details) {
// Make sure clean_blog_cache() gets the blog ID
// when the blog has been previously cached as
// non-existent.
$details = (object) array('blog_id' => $blog_id, 'domain' => null, 'path' => null);
}
clean_blog_cache($details);
do_action('refresh_blog_details', $blog_id);
}
/**
* Delete a blog
*
* @since 3.0.0
*
* @param int $blog_id Blog ID
* @param bool $drop True if blog's table should be dropped. Default is false.
* @return void
*/
function wpmu_delete_blog($blog_id, $drop = false)
{
global $wpdb, $current_site;
$switch = false;
if (get_current_blog_id() != $blog_id) {
$switch = true;
switch_to_blog($blog_id);
}
$blog = get_blog_details($blog_id);
do_action('delete_blog', $blog_id, $drop);
$users = get_users(array('blog_id' => $blog_id, 'fields' => 'ids'));
// Remove users from this blog.
if (!empty($users)) {
foreach ($users as $user_id) {
remove_user_from_blog($user_id, $blog_id);
}
}
update_blog_status($blog_id, 'deleted', 1);
// Don't destroy the initial, main, or root blog.
if ($drop && (1 == $blog_id || is_main_site($blog_id) || $blog->path == $current_site->path && $blog->domain == $current_site->domain)) {
$drop = false;
}
if ($drop) {
$drop_tables = apply_filters('wpmu_drop_tables', $wpdb->tables('blog'));
foreach ((array) $drop_tables as $table) {
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
}
$wpdb->delete($wpdb->blogs, array('blog_id' => $blog_id));
$uploads = wp_upload_dir();
$dir = apply_filters('wpmu_delete_blog_upload_dir', $uploads['basedir'], $blog_id);
$dir = rtrim($dir, DIRECTORY_SEPARATOR);
$top_dir = $dir;
$stack = array($dir);
$index = 0;
while ($index < count($stack)) {
# Get indexed directory from stack
$dir = $stack[$index];
$dh = @opendir($dir);
if ($dh) {
while (($file = @readdir($dh)) !== false) {
if ($file == '.' || $file == '..') {
continue;
}
if (@is_dir($dir . DIRECTORY_SEPARATOR . $file)) {
$stack[] = $dir . DIRECTORY_SEPARATOR . $file;
} else {
if (@is_file($dir . DIRECTORY_SEPARATOR . $file)) {
@unlink($dir . DIRECTORY_SEPARATOR . $file);
}
}
}
@closedir($dh);
}
$index++;
}
$stack = array_reverse($stack);
// Last added dirs are deepest
foreach ((array) $stack as $dir) {
if ($dir != $top_dir) {
@rmdir($dir);
}
}
clean_blog_cache($blog);
}
if ($switch) {
restore_current_blog();
}
}
/**
* Clear the blog details cache.
*
* @since MU
*
* @param int $blog_id Blog ID
*/
function refresh_blog_details($blog_id)
{
$blog_id = (int) $blog_id;
$details = get_blog_details($blog_id, false);
clean_blog_cache($details);
do_action('refresh_blog_details', $blog_id);
}
