<?php

class A {
    private $foo;
}

class B extends A {
    protected $bar;
    private $baz;
    private $quux;
}

class C extends B {
    public $foo;
    private $baz;
    protected $quux;
}

$rc = new ReflectionClass('C');
$rp = $rc->getProperty('foo');
var_dump($rp->getDeclaringClass()->getName()); // c

$rc = new ReflectionClass('A');
$rp = $rc->getProperty('foo');
var_dump($rp->getDeclaringClass()->getName()); // A

$rc = new ReflectionClass('B');
$rp = $rc->getProperty('bar');
var_dump($rp->getDeclaringClass()->getName()); // B

$rc = new ReflectionClass('C');
$rp = $rc->getProperty('bar');
var_dump($rp->getDeclaringClass()->getName()); // B

$rc = new ReflectionClass('C');
$rp = $rc->getProperty('baz');
var_dump($rp->getDeclaringClass()->getName()); // C

$rc = new ReflectionClass('B');
$rp = $rc->getProperty('baz');
var_dump($rp->getDeclaringClass()->getName()); // B

$rc = new ReflectionClass('C');
$rp = $rc->getProperty('quux');
var_dump($rp->getDeclaringClass()->getName()); // C

?>