'ids', 'number' => 0 ) ); foreach ( $otto_chat_weby as $otto_chat_web ) { switch_to_blog( (int) $otto_chat_web ); delete_option( 'otto_chat' ); delete_transient( 'otto_chat_test' ); delete_transient( 'otto_chat_feed' ); restore_current_blog(); } }