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php

--TEST--
get_class_vars(): Testing visibility
--FILE--
<?php

class A {
	protected $a = 1;
}

class B extends A { }

class C extends B { }

var_dump(get_class_vars('A'));
var_dump(get_class_vars('B'));
var_dump(get_class_vars('C'));

print "---\n";

class D extends B {
	public function __construct() {
		var_dump(get_class_vars('A'));
		var_dump(get_class_vars('B'));
		var_dump(get_class_vars('C'));		
	}
}

new D;

?>
--EXPECT--
array(0) {
}
array(0) {
}
array(0) {
}
---
array(1) {
  ["a"]=>
  int(1)
}
array(1) {
  ["a"]=>
  int(1)
}
array(1) {
  ["a"]=>
  int(1)
}