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<?php

/**
 * Show empty taxonomies
 */
 
add_filter('wpsight_search_form_details', 'custom_search_form_details', 11);

function custom_search_form_details($search_details) {

	$search_details['location']['data'] 		= get_terms( 'location', array( 'orderby' => 'name', 'hide_empty' => false ) );
	$search_details['listing-type']['data'] 	= get_terms( 'listing-type', array( 'orderby' => 'name', 'hide_empty' => false ) );	
	
	return $search_details;
}