<?php

class Foo{
  var $var = "one\n";  //same as "public"
  public $public = "two\n";
  protected $protected = "three\n";
}

$foo = new Foo();

echo $foo->var;
echo $foo->public;
echo $foo->protected; //can't access this one

one
two

Fatal error: Cannot access protected property Foo::$protected on line 13