Get parameter class type hint at runtime

ReflectParameterClassHint.php

<?php
class Language
{
	public function getDefaultLanguage()
	{
		return "en-US";
	}
}
class TestClass
{
	public function noLanguage($param1)
	{
		return $param1;
	}
	
	public function withLanguage($param1, Language $language) {
		return [
			$param1, 
			$language
			];
	}
}

$r = new ReflectionClass('TestClass');
$m = $r->getMethods(ReflectionMethod::IS_STATIC | ReflectionMethod::IS_PUBLIC);

foreach ($m as $method) {
	$p = $method->getParameters();
	foreach ($p as $parameter) {
		$c = $parameter->getClass();
		var_dump([
			'param' => $parameter->name, 
			'class' => $c->name, 
			'position' => $parameter->getPosition()
			]);
	}
}