<?php
/**
 **Define MyClass
 */
class MyClass
{
	// Declare a public constructor
	public function __construct() {}

	// Declare a public method
	public function MyPublic() {}

	// Declare a proctected method
	proctected function Myproctected() {}

	// declare a private method
	private function MyPrivate() {}

	// This is public
	function Foo()
	{
		$this->MyPublic();
		$this->Myproctected();
		$this->MyPrivate();
	}
}

$myclass = new MyClass;
$myclass->MyPublic();//works
$myclass->Myproctected();// Fatal Error
$myclass->MyPrivate();// Fatal Error
$myclass->Foo();// Public, Protected and Private work


/**
 * Define MyClass
 */
class MyClass2 extends MyClass
{
	// This is public
	function Food2()
	{
		$this->MyPublic();
		$this->Myproctected();
		$this->MyPrivate();// Fatal Error
	}
}

$myclass = new MyClass2;
$myclass->MyPublic();// works
$myclass->Foo2();// Public and Protected work, not Private

class Bar
{
	public function test() {
		$this->testPrivate();
		$this->testPublic();
	}

	public function testPublic() {
		echo "bar::testPublic\n";
	}

	private function testPrivate() {
		echo "Bar::testPrivate\n";
	}
}

class Foo extends Bar
{
	public function testPublic() {
		echo "Foo::testPublic\n";
	}

	private function testPrivate() {
		echo "Foo::testPrivate\n";
	}
}

$myFoo = new Foo();
$myFoo->test();// Bar::testPrivate
$myFoo->test();// Foo::testPublic
?>