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Notes $parent_methods = get_class_methods(get_parent_class($object));
$methods = array_intersect($methods, $parent_methods);
} return $methods;

} // return an array of superclasses function
get_lineage($object)

{
if(get_parent_class($object))
{
$parent = get_parent_class($object);

$parent_object = new $parent;
$lineage = get_lineage($parent_object);

$lineage[] = get_class($object);
}
else {
$lineage = array(get_class($object));

} return $lineage;
} // return an array of subclasses function
get_child_classes($object)

{ $classes = get_declared_classes( );
$children = array( );
foreach($classes as $class)

{
if (substr($class, 0, 2) == ‘_ _’) { continue;} $child = new $class;
if(get_parent_class($child) == get_class($object))

{
$children[] = $class;
}

} return $children;
} // display information on an object function
print_object_info($object)

{ $class = get_class($object);
echo ‘<h2>Class</h2>’;
echo “<p>$class</p>”;

echo ‘<h2>Inheritance</h2>’;
echo ‘<h3>Parents</h3>’;

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