Description:
------------
I'm not sure if this is a bug. If you look in code why protected method hello() can be accessed and property $this->var not, from that method? PHP 5.3.3

Test script:
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<?php
abstract class abstract_class {	abstract protected function  hello(); }
class A extends abstract_class
{	private $B; 	protected $var;
	function __construct ()	{
		$this->var = 'Undefined property??';
		$this->B = new B(__CLASS__);
	}
	protected function  hello()	{
		echo 'accessing '.__CLASS__.'::protected method - hello()'.PHP_EOL;
		echo $this->var;
}}
class B extends abstract_class
{	function __construct ( $class_A )
	{	$class_A::hello();	}
	protected function hello(){}
} new A; ?>

Expected result:
----------------
access $this->var , look into script.