}
}
class Child extends Introspection
{
public function description()
{
echo "I'm " . get_class($this), " class.n" . "\n";
echo "I'm " . get_parent_class($this), "'s child.n" . "\n";
// create object from class name
$cls = get_parent_class($this);
// return class name
$parent_cls = new $cls();
// init class object
echo "My description " . $parent_cls->description();
// retrieve class methods
}
}
if (class_exists("Introspection")) {
$introspection = new Introspection();
echo "The class name is: " . get_class($introspection) . "n" . "\n";
$introspection->description();
}
if (class_exists("Child")) {
$child = new Child();
$child->description();
if (is_subclass_of($child, "Introspection")) {
echo "Yes, " . get_class($child) . " is a subclass of Introspection.n" . "\n";
} else {
echo "No, " . get_class($child) . " is not a subclass of Introspection.n" . "\n";
}
}