example_function.php

function ex_parsing_kml(){
    $this->load->helper('xml');
	$file = sample_file.KML;
  		
  	$xmlRaw = file_get_contents($file);
	$this->load->library('simplexml');
		
	$xmlData = $this->simplexml->xml_parse($xmlRaw);
	foreach ($xmlData['Folder']['Placemark'] as $key => $value) {
		$data = array();
		$string = "<?xml version='1.0'?> ".str_replace("<br>", "", $value['description'])."</table>";

		$xml = simplexml_load_string($string);
		$data['name'] = $value['name'];
		$data['visibility'] = $value['visibility'];
		$data['open'] = $value['open'][0];
		$data['linestyle_color'] = $value['Style']['LineStyle']['color'];
		$data['linestyle_width'] = $value['Style']['LineStyle']['width'];
		$data['polystyle_fill'] = $value['Style']['PolyStyle']['fill'];
		$data['polystyle_outline'] = $value['Style']['PolyStyle']['outline'];
		$data['polystyle_color'] = $value['Style']['PolyStyle']['color'];
		$data['extrude'] = $value['Polygon']['extrude'];
		$data['altitudemode'] = $value['Polygon']['altitudeMode'];
		$data['tessellate'] = $value['Polygon']['tessellate'];
		$data['coordinates'] = $value['Polygon']['outerBoundaryIs']['LinearRing']['coordinates'];

		foreach ($xml->tr as $kunci => $isi) {
			$data2 = (string)$isi->td[1];
			$data['desc_'.strtolower($isi->td[0])] = $data2;
		}
		/* Remove comment if you want save to database (this is sample only for POSTGRE [postgis])
		$coor = $value['Polygon']['outerBoundaryIs']['LinearRing']['coordinates'];
		$coors = explode(',0', $coor);
		$coordinates = '';
		foreach ($coors as $c) {
			if(!empty($c)){
				$coorxy = explode(',', $c);
				$coordinates[] = $coorxy[1].' '.$coorxy[0];
			}
		};
		$this->db->set('coordinates',"ST_GeomFromText('POLYGON((".implode(',',$coordinates)."))',4326)",false);
		$this->db->insert('kml_pg', $data);
		*/
	}
}