namespaces and typehinting

broken.php

<?php
	namespace foo;

	class Foobar {
		public function foo (\boolean $barf) { // Catchable fatal error: Argument 1 passed to foo\Foobar::foo() must be an instance of boolean, boolean given
			echo $barf ? "yep" : "nope";
		}

		public function bar (boolean $barf) { // Catchable fatal error: Argument 1 passed to foo\Foobar::bar() must be an instance of foo\boolean, boolean given
			echo $barf ? "yep" : "nope";
		}
	}

	$foobar = new Foobar();

	$foobar->foo(true);
	$foobar->bar(true);