/**
* Iterates blogs, performing an action after each switch (multisite)
*
* @param mixed $action Action to perform
* @param mixed $args Array containing parameters to pass to the action
* @internal
*/
private function iterateBlogsAction($action, array $args = array())
{
if (!Helpers::validCallback($action)) {
return;
}
// Perform action on the current blog first
call_user_func_array($action, $args);
// If in Network Admin mode, iterate all other blogs
if (Helpers::isNetworkAdminMode()) {
global $wpdb, $blog_id, $switched, $switched_stack;
$orig_switched_stack = $switched_stack;
// global $switched_stack
$orig_switched = $switched;
// global $switched
$orig_blog_id = $blog_id;
// global $blog_id
$all_blog_ids = $wpdb->get_col($wpdb->prepare("SELECT blog_id FROM {$wpdb->blogs} WHERE blog_id <> %d", $orig_blog_id));
// global $wpdb
foreach ($all_blog_ids as $a_blog_id) {
switch_to_blog($a_blog_id);
call_user_func_array($action, $args);
}
// Switch back to the original blog
switch_to_blog($orig_blog_id);
/* Reset the global $switched and $switched_stack, as we're back at the original now.
* This is faster than calling restore_current_blog() after each completed switch.
* See wp-includes/ms-blogs.php.
*/
$switched = $orig_switched;
// global $switched
$switched_stack = $orig_switched_stack;
// global $switched_stack
}
}
