<div data-owlappsmaplyrgroup = "yes"> 
    
  <iframe style = "border:none;width:100%;min-height:550px;height:80%;" data-owlappsmap = "yes"   >
    
    <kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2" xmlns:kml="http://www.opengis.net/kml/2.2" xmlns:atom="http://www.w3.org/2005/Atom">  
      <Document>
 
        <open> 1 </open>
        
        <visibility> 1  </visibility> 
   
        <NetworkLink>
        
          <open> 1 </open>
           
          <Snippet> 
            <![CDATA[ 
              this is a first-level link and it has a refreshMode tag, so it has the "Unplug this network link" checkbox button, see below !   
            ]]>
          </Snippet>
          
          <Link>
            
            <href>
            
               https://owlapps.000webhostapp.com/modules/owlapps_apps/embedmap/test_wfs.php
            
            </href>
            
            <refreshMode>
            
              onChange
            
            </refreshMode>
            
          </Link>
   
          <name>
          
            My first first-level network link
          
          </name>
          
          <visibility>
            1
          </visibility>
           
        </NetworkLink>
        
        
        
        <NetworkLink>
        
          <open> 0 </open>
           
          <Snippet> 
            <![CDATA[ 
              this is a first-level link and it has not refreshMode tag, so it has not the "Unplug this network link" checkbox button!
              <br/>
              Network link as a WMS geoservice because it delivers GroundOverlay tags.
            ]]>
          </Snippet>
          
          <Link>
            
            <href>
              https://owlapps.000webhostapp.com/modules/owlapps_apps/embedmap/test_wms.php
            </href>
            
          </Link>
   
          <name>
            My second first-level network link
          </name>
          
          <visibility>
            1
          </visibility>
          
        </NetworkLink>
        
      </Document>

    </kml>

  </iframe> 

</div>

<?php

  header('Content-type: text/xml');
  header("Expires: Tue, 03 Jul 2001 06:00:00 GMT");
  header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
  header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
  header("Cache-Control: post-check=0, pre-check=0", false);
  header("Pragma: no-cache");
  header("Connection: close");
  header('Content-type: text/html; charset=UTF-8'); 

  /* very important */
  header('Access-Control-Allow-Origin: *');
  header('Access-Control-Allow-Methods: GET, POST, OPTIONS');


  /*
    Example of a PHP page code used as a WMS called by a given KML networklink
    see at: https://developers.google.com/kml/documentation/kmlreference#networklink
  */

  

  echo '<?xml version="1.0" encoding="ISO-8859-1"?>
  <kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2" xmlns:kml="http://www.opengis.net/kml/2.2" xmlns:atom="http://www.w3.org/2005/Atom">  
    <Document>
      <open>
        1
      </open>
           
      <GroundOverlay>
        <Snippet>
          Satellite image on Sicilia island
        </Snippet>
      
        <description> __geolink__  </description>
        <Icon>
          <href> http://www.owlapps.net/modules/owlapps_apps/embedmap/img/etna.jpg </href>
        </Icon>
        <LatLonBox>
          <north>37.91904192681665</north>
          <south>37.46543388598137</south>
          <east>15.35832653742206</east>
          <west>14.60128369746704</west>
          <rotation>-0.1556640799496235</rotation>
        </LatLonBox>
      
        <name>
          Etna
        </name>
      </GroundOverlay>     
    
    </Document>
  
  </kml>
';

?>

<?php
 
  header('Content-type: text/xml');
  header("Expires: Tue, 03 Jul 2001 06:00:00 GMT");
  header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
  header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
  header("Cache-Control: post-check=0, pre-check=0", false);
  header("Pragma: no-cache");
  header("Connection: close");
  header('Content-type: text/html; charset=UTF-8'); 

  /* very important */
  header('Access-Control-Allow-Origin: *');
  header('Access-Control-Allow-Methods: GET, POST, OPTIONS');


/*
  Example of a PHP page code used as a WFS called by a given KML networklink
  see at: https://developers.google.com/kml/documentation/kmlreference#networklink
*/

 
  $data = file_get_contents('php://input');
  $b = json_decode($data);

  $lon = ($b->{'BBOX'}[2] +  $b->{'BBOX'}[0])/ 2;  //longitude
  $lat = ( $b->{'BBOX'}[1]  +  $b->{'BBOX'}[3] )/ 2; //latitude


  sleep(1);

  echo '<?xml version="1.0" encoding="ISO-8859-1"?>
  <kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2" xmlns:kml="http://www.opengis.net/kml/2.2" xmlns:atom="http://www.w3.org/2005/Atom">  
    
    <Document>
      
      <open> 1</open>
         
      <Style id="myico">
        <IconStyle id="myicon">
          <scale>2</scale>   
            <Icon>
              <href>http://www.owlapps.net/modules/owlapps_apps/embedmap/img/orangepin.png</href>
            </Icon>  
          </IconStyle>
      </Style>
   
   
      <Folder>
        <open>
          1
        </open>
        <name>
          Tutorial ' . rand(5, 150000) .
        '</name>
     
         
        <Placemark>
        
          <name> polygon whose color varies with each refresh </name>
          <Style>
            <LabelStyle>
              <minZoom>
                19
              </minZoom>
            </LabelStyle>
            <PolyStyle>
            <fill> 0 </fill>
            <outline> 0 </outline>
            <richDecos>
              <inner>
                <colorize>
                  <color>
                    rgb(' .   rand(0, 255)  . ',' .   rand(0, 255)  . ',' .  rand(0, 255)  . ')
                  </color>
                </colorize>
              </inner>
            </richDecos>
          </PolyStyle>
        </Style>
          
        <Polygon>
          <outerBoundaryIs>
            <LinearRing>
              <coordinates>
                5.075540874379179,47.25902566581779,0 5.075739785686084,47.25899496298661,0 5.075757936424637,47.25908035000109,0 5.075577503345499,47.25911881544968,0 5.075540874379179,47.25902566581779,0
              </coordinates>
            </LinearRing>
          </outerBoundaryIs>
        </Polygon>
       
      </Placemark>   
           
      <Placemark>
        <Snippet>
          This point is positioned in the center of the map each time you move on this same map!   
        </Snippet>
    
        <styleUrl>
          #myico
        </styleUrl>
     
        <name>
          Wandering point ' . rand(5, 150000).
        '</name>
        <description>
          <![CDATA[
            <div style="overflow:auto;width:100%;height:100%;max-height:150px;" > $[name] Here is my description, this feature is generated dynamically by a php page used as a <a href="https://fr.wikipedia.org/wiki/Web_Feature_Service"  >WFS</a> delivering <a href="https://developers.google.com/kml/documentation/kml_tut" target="_blank" >KML data</a>, <br/>
   
            it receives by <a target="_blank" href="https://en.wikipedia.org/wiki/POST_(HTTP)" >POST method</a> a stringified json data: the coordinates (WGS84 Decimal degrees) of the bounding box of the current map view ( <strong>{BBOX:[longitude_west, latitude_south, longitude_east, latitude_north]}</strong> ) when the PHP page requested.
            <br/>
            BBOX received: [' .  $b->{'BBOX'}[0] . ', ' . $b->{'BBOX'}[1] . ', ' . $b->{'BBOX'}[2] . ', ' . $b->{'BBOX'}[3] . '].<br/>
            Have a look at: <a href="http://www.owlapps.net/modules/owlapps_apps/embedmap/" target="_blank" > OWLAPPS EMBEDMAP</a>
          ]]>
        </description>
        
        <Point>
          <coordinates>' . $lon . ',' . $lat .
          '</coordinates>
        </Point>
      </Placemark>
  
    </Folder>
   
    <NetworkLink>
      <open>
        1
      </open>
      
      <Link>  
        <href>
          <![CDATA[
            https://owlapps.000webhostapp.com/modules/owlapps_apps/embedmap/test_wfs.php
          ]]>
        </href>
      </Link>
   
      <name>
        Nested network link
      </name>
      
      <Snippet>
        <![CDATA[
          This nested link is the first-level link calling itself in fact !
          <br/>
          We are facing an infinite loop of death but fortunately this app has a safeguard limiting the number of consecutive link calls!
        ]]>  
      </Snippet>
      
      <visibility>
        1
      </visibility>
      
    </NetworkLink>
    
  </Document>
  
 </kml>
';

?>