function getDistrict() { $segs = $this->uri->segment_array(); $provinceId = $segs[3]; $districts = District::getNameAndId($provinceId); $allDistricts = ""; foreach ($districts as $districts) { $allDistricts .= $districts->id; $allDistricts .= "+"; $allDistricts .= $districts->Name; $allDistricts .= "_"; } echo $allDistricts; }