KML Feed Template

kml.php

<?php
/**
 * KML Feed Template
 *
 * @author Louy Alakkad <me@l0uy.com>
 * @version 1.0
 */

/**
 * what you need to define here is:
 * 	$encoding	string	feed encoding (utf-8)
 * 	$name	string	feed name
 * 	$url	string	feed url
 * 	$language	string	feed language
 * 	$description	string	feed description
 * 	$last_update	string	feed last update time
 * 	$styles	array	ID => Icon
 * 	$items	array	Arrays that each contains:
 * 			'name'        => name
 * 			'description' => description (html)
 * 			'longitude'   => longitude
 * 			'latitude'    => latitude
 * 			'altitude'    => altitude
 * 			'style'       => style ID (for icon)
 *
 * Please set all manually so you wouldn't have XSS exploit or something :)
 */

isset($encoding) or $encoding = 'UTF-8';
isset($name) or $name = '';
isset($url) or $url = '';
isset($language) or $language = 'en';
isset($description) or $description = '';
isset($last_update) or $last_update = time('D, d M Y H:i:s +0000');
isset($styles) or $styles = array();
isset($items) or $items = array();

header('Content-Type: application/vnd.google-earth.kml+xml; charset=' . $encoding, true);

echo '<?xml version="1.0" encoding="'.$encoding.'"?'.'>';
?><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>

	<name><?php echo $name; ?></name>
	<visibility>1</visibility>
	<open>1</open>
	<link><?php echo $url; ?></link>
	<description><?php echo $description; ?></description>
	<lastBuildDate><?php echo $last_update; ?></lastBuildDate>
	<language><?php echo $language; ?></language>

<?php foreach($styles as $id => $icon ) : ?>

	<Style id="<?php echo $id; ?>">
		<IconStyle>
			<Icon>
				<href><?php echo $icon; ?></href>
			</Icon>
		</IconStyle>
		<LabelStyle>
			<scale>0</scale>
		</LabelStyle>
		<BalloonStyle>
			<text>$[description]</text>
		</BalloonStyle>
	</Style>
<?php endforeach; ?>

<?php foreach ($items as $item) : 
isset( $item['altitude'] ) or $item['altitude'] = '0';
?>

	<Placemark>
		<name><?php echo $item['name']; ?></name>
		<visibility>1</visibility>
		<Snippet maxLines="0"></Snippet>
		<description><![CDATA[<?php echo $item['description']; ?>]]></description>
		<LookAt>
			<longitude><?php echo (string) $item['longitude']; ?></longitude>
			<latitude><?php  echo (string) $item['latitude']; ?></latitude>
			<altitude><?php  echo (string) $item['altitude']; ?></altitude>
		</LookAt>

		<Point>
			<coordinates><?php
			  echo (string) $item['longitude']
			      . ',' . (string) $item['latitude']
			      . ',' . (string) $item['altitude'];
			?></coordinates>
		</Point>
		<styleUrl>#<?php echo $item['style']; ?></styleUrl>
	</Placemark>

<?php endforeach; ?>
</Document>
</kml>