[PHP-INTERNALS] Re: [PHP-DEV] [RFC] Class instances counter

if a class need that, it can implement a interface like instance_counter,
which will simply can implement like:

class A {
public static $instance_counter = 0;

public function __construct() { self::$instance_counter++; }

public function __destruct() { self::$instance_counter--; };

public static function get_counter() { return self::$instance_counter; }
}

thanks