Inheritance: extends Foo2
var_dump(foo::$p1);
var_dump(foo::$p2);
var_dump(bar::$p1);
var_dump(bar::$p2);
var_dump(bar::$p3);
$o1->inc();
var_dump(foo::$p7);
class Foo2
{
    public static $my_static = 'foo';
    public function staticValue()
    {
        return self::$my_static;
    }
}
class Bar2 extends Foo2
{
    public function fooStatic()
    {
        return parent::$my_static;
    }
}
print Foo2::$my_static . "\n";
$foo = new Foo2();
print $foo->staticValue() . "\n";
print $foo->my_static . "\n";
// Undefined "Property" my_static
// $foo::my_static is not possible
print Bar2::$my_static . "\n";
$bar = new Bar2();
print $bar->fooStatic() . "\n";