public static function run()
 {
     if ($_SERVER["REQUEST_METHOD"] == "POST") {
         $map = new Map($_POST);
         MapView::show($map->getLocations());
     } else {
         MapView::show(null);
     }
 }
<!DOCTYPE html>
<html>
	<head>
		<title>MapView Tests</title>
	</head>
	<body>
		<h1>MapView Tests</h1>
		<h3>Should call MapView::show()</h3>
		<hr/>
		<?php 
include_once "../includer.php";
$map = new Map(null);
$map->addLocation("Rome");
MapView::show($map->getLocations());
?>
	</body>
</html>
<!DOCTYPE html>
<html>
	<head>
		<title>Map Tests</title>
	</head>
	<body>
		<h1>Map Tests</h1>
		<?php 
include_once "../includer.php";
$map = new Map(null);
echo "Map ID: " . $map->getMapID();
echo "<hr/>";
echo "<h3>Should add three locations to map and print</h3>";
$map->addLocation("New York");
$map->addLocation("London");
$map->addLocation("Rome");
foreach ($map->getLocations() as $location) {
    echo "<h4>{$location}</h4>";
}
echo "<hr/>";
echo "<h3>Should remove last location and print remaining</h3>";
$map->removeLastLocation();
foreach ($map->getLocations() as $location) {
    echo "<h4>{$location}</h4>";
}
echo "<hr/>";
?>
	</body>
</html>