<!DOCTYPE html>
<html>
<body>
<?php
class MyClass {}
class AnotherClass extends MyClass{}
$obj = new AnotherClass();
if($obj instanceof AnotherClass) {
echo "The object is AnotherClass";
}
// The object is also an instance of the class it is derived from
if($obj instanceof MyClass) {
echo "The object is MyClass<br>";
}
?>
</body>
</html>
