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<?php
function wpmu_delete_blog($blog_id, $drop = false) {
global $wpdb, $wpmuBaseTablePrefix;
if ( $blog_id != $wpdb->blogid ) {
$switch = true;
switch_to_blog($blog_id);
}
do_action('delete_blog', $blog_id, $drop);
$users = get_users_of_blog($blog_id);
// Remove users from this blog.
if ( !empty($users) ) foreach ($users as $user) {
remove_user_from_blog($user->user_id, $blog_id);
}
update_blog_status( $wpdb->blogid, 'deleted', 1 );
if ( $drop ) {
$drop_tables = array( $wpmuBaseTablePrefix . $blog_id . "_categories",
$wpmuBaseTablePrefix . $blog_id . "_comments",
$wpmuBaseTablePrefix . $blog_id . "_linkcategories",
$wpmuBaseTablePrefix . $blog_id . "_links",
$wpmuBaseTablePrefix . $blog_id . "_link2cat",
$wpmuBaseTablePrefix . $blog_id . "_options",
$wpmuBaseTablePrefix . $blog_id . "_post2cat",
$wpmuBaseTablePrefix . $blog_id . "_postmeta",
$wpmuBaseTablePrefix . $blog_id . "_posts",
$wpmuBaseTablePrefix . $blog_id . "_referer_visitLog",
$wpmuBaseTablePrefix . $blog_id . "_referer_blacklist" );
reset( $drop_tables );
foreach ($drop_tables as $drop_table)
$wpdb->query( "DROP TABLE IF EXISTS $drop_table" );
$wpdb->query( "DELETE FROM $wpdb->blogs WHERE blog_id = '$blog_id'" );
$dir = constant( "ABSPATH" ) . "wp-content/blogs.dir/" . $blog_id ."/files/";
$dir = rtrim($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 == '.' or $file == '..')
continue;
if (@ is_dir($dir . DIRECTORY_SEPARATOR . $file))
$stack[] = $dir . DIRECTORY_SEPARATOR . $file;
else if (@ is_file($dir . DIRECTORY_SEPARATOR . $file))
@ unlink($dir . DIRECTORY_SEPARATOR . $file);
}
}
$index++;
}
$stack = array_reverse($stack); // Last added dirs are deepest
foreach($stack as $dir) {
if ( $dir != $top_dir)
@ rmdir($dir);
}
}
$wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key='wp_{$blog_id}_autosave_draft_ids'");
if ( $switch )
restore_current_blog();
}
function update_blog_public($old_value, $value) {
global $wpdb;
$value = (int) $value;
do_action('update_blog_public');
update_blog_status( $wpdb->blogid, 'public', $value );
}
add_action('update_option_blog_public', 'update_blog_public', 10, 2);
function wpmu_delete_user($id) {
global $wpdb;
$id = (int) $id;
$user = get_userdata($id);
do_action('wpmu_delete_user', $id);
$blogs = get_blogs_of_user($id);
if ( ! empty($blogs) ) foreach ($blogs as $blog) {
switch_to_blog($blog->userblog_id);
remove_user_from_blog($id, $blog->userblog_id);
$post_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_author = $id");
if ($post_ids) {
foreach ($post_ids as $post_id)
wp_delete_post($post_id);
}
// Clean links
$wpdb->query("DELETE FROM $wpdb->links WHERE link_owner = $id");
restore_current_blog();
}
$wpdb->query("DELETE FROM $wpdb->users WHERE ID = $id");
$wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$id'");
wp_cache_delete($id, 'users');
wp_cache_delete($user->user_login, 'userlogins');
return true;
}
function wpmu_get_blog_allowedthemes( $blog_id = 0 ) {
$themes = get_themes();
if( $blog_id == 0 )
$blog_allowed_themes = get_option( "allowedthemes" );
else
$blog_allowed_themes = get_blog_option( $blog_id, "allowedthemes" );
if( !is_array( $blog_allowed_themes ) || empty( $blog_allowed_themes ) ) { // convert old allowed_themes to new allowedthemes
if( $blog_id == 0 )
$blog_allowed_themes = get_option( "allowed_themes" );
else
$blog_allowed_themes = get_blog_option( $blog_id, "allowed_themes" );
if( is_array( $blog_allowed_themes ) ) {
foreach( $themes as $key => $theme ) {
$theme_key = wp_specialchars( $theme[ 'Stylesheet' ] );
if( isset( $blog_allowed_themes[ $key ] ) == true ) {
$blog_allowedthemes[ $theme_key ] = 1;
}
}
$blog_allowed_themes = $blog_allowedthemes;
if( $blog_id == 0 ) {
add_option( "allowedthemes", $blog_allowed_themes );
delete_option( "allowed_themes" );
} else {
add_blog_option( $blog_id, "allowedthemes", $blog_allowed_themes );
delete_blog_option( $blog_id, "allowed_themes" );
}
}
}
return $blog_allowed_themes;
}
function update_option_new_admin_email($old_value, $value) {
if ( $value == get_option( 'admin_email' ) || !is_email( $value ) )
return;
$hash = md5( $value.time().mt_rand() );
$newadminemail = array(
"hash" => $hash,
"newemail" => $value
);
update_option( 'adminhash', $newadminemail );
$content = __("Dear user,\n\n
You recently requested to have the administration email address on
your blog changed.\n
If this is correct, please click on the following link to change it:\n
###ADMIN_URL###\n\n
You can safely ignore and delete this email if you do not want to take this action.\n\n
This email has been sent to ###EMAIL###\n\n
Regards,\n
The Webmaster");
$content = str_replace('###ADMIN_URL###', get_option( "siteurl" ).'/wp-admin/options.php?adminhash='.$hash, $content);
$content = str_replace('###EMAIL###', $value, $content);
wp_mail( $value, sprintf(__('[%s] New Admin Email Address'), get_option('blogname')), $content );
}
add_action('update_option_new_admin_email', 'update_option_new_admin_email', 10, 2);
function get_site_allowed_themes() {
$themes = get_themes();
$allowed_themes = get_site_option( 'allowedthemes' );
if( !is_array( $allowed_themes ) || empty( $allowed_themes ) ) {
$allowed_themes = get_site_option( "allowed_themes" ); // convert old allowed_themes format
if( !is_array( $allowed_themes ) ) {
$allowed_themes = array();
} else {
foreach( $themes as $key => $theme ) {
$theme_key = wp_specialchars( $theme[ 'Stylesheet' ] );
if( isset( $allowed_themes[ $key ] ) == true ) {
$allowedthemes[ $theme_key ] = 1;
}
}
$allowed_themes = $allowedthemes;
}
}
return $allowed_themes;
}
?>
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