function to return display of all event times

gistfile1.txt

function espresso_display_all_event_times($event_id) {
    global $wpdb;
    $sql = "SELECT ese.start_time, ese.end_time ";
    $sql .= "FROM " . EVENTS_START_END_TABLE . " ese WHERE ese.event_id = %d";
    $times = $wpdb->get_results($wpdb->prepare($sql, $event_id));
    if(empty($times)) return NULL;
    $time_format = get_option('time_format');
    $output = "<p>";
    foreach ($times as $time) {
        $output .= "<span>" . event_date_display($time->start_time, $time_format) . " - " . event_date_display($time->end_time, $time_format) . "</span>";
    }
	$output .= "</p>";
	return $output;
}