Reply To: AjaxSearchPro Events Manager. Double location towns

Hi Marieke,

Maybe this variation would consider the “any value” option as well:

add_filter('asp_pre_get_front_filters', 'asp_locations_pre_get_front_filters', 10, 2);
function asp_locations_pre_get_front_filters($filters, $type) {
  if ( $type == 'custom_field' ) {
  	foreach ($filters as $k => $filter) {	
        if ( $filter->data['field'] == '_location_id' && class_exists('EM_Locations') ) {
          $location_ids = array();
          $select_all = false;
          foreach ( $filter->get() as $kk=>$item ) {
            if ( $item->value == '' ) {
              $select_all = $item->label;
            } else if ( is_numeric($item->value) ) {
              $location_ids[] = $item->value;    
            }
          }
          $filter->remove();
          
          $locations = EM_Locations::get( array('location'=>array_unique($location_ids)) );
          $locarr = array();
          if ( is_array($locations) && count($locations) > 0 ) {
            foreach ( $locations as $loc ) {
              if ( isset($locarr[$loc->location_town]) ) {
                $locarr[$loc->location_town] .= '::' . $loc->location_id;
              } else {
                $locarr[$loc->location_town] = $loc->location_id;
              }
            }
            
            if ( $select_all !== false ) {
              $filter->add(array(
                'value' => '',
                'label' => $select_all,
              ));
            }
            
            ksort($locarr);
            foreach ( $locarr as $key => $loc ) {
              if ( !empty($key) && !empty($loc) )
                $filter->add(array(
                  'value' => $loc,
                  'label' => $key,
                ));
            }
          }
          $filters[$k] = $filter;
        }
  	}
  }
  
  return $filters;
}