public function getRelatedDestination($poi_id)
{
$table_area = new Model_DbTable_Area();
$table_areatopoi = new Model_DbTable_AreaToPoi();
$area_list = $table_areatopoi->getPoiAreaIdProvince($poi_id, 1);
$poi_list = array();
foreach ($area_list as $area_id) {
$temp = $table_areatopoi->getAllPoiByAreaIdExPoi($area_id, $poi_id);
foreach ($temp as $temp_poi) {
if (!in_array($temp_poi, $poi_list)) {
array_push($poi_list, $temp_poi);
}
}
}
if (sizeof($poi_list) < 5) {
$area_list = $table_areatopoi->getPoiAreaIdProvince($poi_id);
foreach ($area_list as $area_id) {
$temp = $table_areatopoi->getAllPoiByAreaIdExPoi($area_id, $poi_id);
foreach ($temp as $temp_poi) {
if (!in_array($temp_poi, $poi_list)) {
array_push($poi_list, $temp_poi);
}
}
}
}
if (sizeof($poi_list) > 5) {
$treshold = 5;
} else {
$treshold = sizeof($poi_list);
}
$random = $this->_mrand(0, $treshold - 1, $treshold);
$random_list = array();
foreach ($random as $index) {
array_push($random_list, $poi_list[$index]);
}
return $random_list;
}
