public function load_persona_services()
 {
     Logger::log("Enter: function PersonaService::load_persona_services");
     $sql = "SELECT * FROM {persona_services} ORDER BY sequence";
     $data = array();
     $res = Dal::query($sql, $data);
     $results = array();
     $i = 0;
     while ($row = $res->fetchRow(DB_FETCHMODE_OBJECT)) {
         $obj = new PersonaService();
         $obj->load_from_row($row);
         $results[$i] = $obj;
         $i++;
     }
     Logger::log("Exit: function PersonaService::load_persona_services");
     return $results;
 }