method_attributes.php

<?php

//PHP 8+

#[Attribute(Attribute::TARGET_METHOD | Attribute::IS_REPEATABLE)]
class Route
{	
	public function __construct(
		public string $path,
		public ?string $method = null,
		public ?string $alias = null
	)
	{}
}

class Controller
{
	#[Route('/index/')]
	#[Route('/home/', alias: 'home')]
	public function index()
	{
		echo 'index method call', "\r\n";
	}
	
	#[Route('/create/', 'POST')]
	public function create()
	{
		echo 'create method call', "\r\n";
	}
	
	public function __construct()
	{
		echo 'new controller', "\r\n";
	}
}

$reflectionClass = new ReflectionClass(Controller::class);
$methods = $reflectionClass->getMethods(ReflectionMethod::IS_PUBLIC);
foreach ($methods as $method) {
	$reflectionMethod = new ReflectionMethod(Controller::class, $method->getName());
	
	$attributes = $reflectionMethod->getAttributes(Route::class);
	echo "reflecting method ",$method->getName(),"\r\n";
	foreach ($attributes as $attribute) {
	   var_dump($attribute->newInstance());
	}
}