Reply To: Multisite Main Site Options Page Filter Child Site

• John Huebner

• January 4, 2020 at 4:20 am

// load values into store list
// assumes it is only loaded on blog_id == 1
// assumes that the field is a select field that allows multiple choices
add_filter('acf/prepare_field/key=field_5e0a476fc3745', 'load_site_list');
function load_site_list($field) {
  $sites = get_sites();
  $choices = array();
  if ($sites) {
    foreach ($sites as $site) {
      // not the main site
      if ($site->blog_id == 1) {
        continue;
      }
      switch_to_blog($site->blog_id);
      $choices[$site->blog_id] = get_bloginfo('name');
      restore_current_blog();
    } // end foreach site
  } // end if sites
  $field['choices'] = $choices;
  return $field;
} // end function

// see if current blog is selected
switch_to_blog( $main_blog );
$storelist1 = get_field('promotion_1_storelist', 'option');
restore_current_blog();
if (in_array(get_current_blog_id(), $storelist1)) {
  // current site is selected
}