gistfile1.aw

<?php
class A {
	public function test() {
		$this->abc = 'test';
	}
}

class B extends A {
	public $abc;
}

$a = new A();
print_r($a);

$a->test();
print_r($a);

$b = new B();
print_r($b);

$b->test();
print_r($b);