gistfile1.php

<?php
    
  $string = '<kml xmlns="http://earth.google.com/kml/2.0"><Placemark><LineString><coordinates> -112,36 -113,37 </coordinates></LineString></Placemark></kml>';
  
  $options = array("extractStyles"=>true);

  $test = new KML($options);

  $features = $test->read($string);

  var_dump($features);
                      
?>