if anyone can, would you please explain why the below code does what it does? I would expect $this->test in TestInstance to refer to the inherited $test from Test. Using php5RC3. Thanks.

<?php
abstract class Test {
    private $test;
    abstract public function addToTest($i);
}

class TestInstance extends Test {
    public function __construct() {
        $this->test = 0;
    }

    public function addToTest($i) {
        $this->test += $i;
    }
}

$t = new TestInstance();
$t->addToTest(3);

var_dump($t);

// test var SHOULD be private
echo "private test (shouldn't be able to access it directly, but i can): ".$t->test."\n\n";


/*
output
-------------------------------
object(TestInstance)#1 (2) {
  ["test:private"]=>
  NULL
  ["test"]=>
  int(3)
}
private test (shouldn't be able to access it directly, but i can): 3
*/
?>

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