willy.club/app/WillySoft/Http/Route.php

<?php

namespace WillySoft\Http;

abstract class Route {
    static array $groups = [
        []
    ];

    static function match(string $methods, string $path, callable $callback) {
        if (!in_array($_SERVER['REQUEST_METHOD'],
            array_map(strtoupper(...), explode('|', $methods))
        )) return;

        static $request_path_parts;
        if (!isset($request_path_parts)) {
            $request_path_parts = explode('/', urldecode(
                    strtok($_SERVER['REQUEST_URI'], '?')
                )
            );
        }
        
        $path_parts = explode('/', $path);
        $callback_args = [];
        for ($i=0; $i < count($path_parts); $i++) {
            if (empty($path_parts[$i])) {
                continue;
            }
            if ($path_parts[$i][0] !== '$') {
                continue;
            }
            if (!isset($request_path_parts[$i])) {
                return;
            }
            if ($path_parts[$i][-1] !== '?' && empty($request_path_parts[$i])) {
                return;
            }
            if (!empty($request_path_parts[$i])) {
                $callback_args[] = $request_path_parts[$i];
            }
            $request_path_parts[$i] = $path_parts[$i];
        }
        if (
            implode('/', $path_parts) !== implode('/', $request_path_parts)
        ) return;

        foreach (self::$groups as $middlewares) {
            foreach ($middlewares as $middleware) {
                $middleware();
            }
        }
        $callback(...$callback_args);
        die();
    }

    static function get(string $path, callable $callback)     { self::match('get', $path, $callback); }
    static function post(string $path, callable $callback)    { self::match('post', $path, $callback); }
    static function put(string $path, callable $callback)     { self::match('put', $path, $callback); }
    static function patch(string $path, callable $callback)   { self::match('patch', $path, $callback); }
    static function delete(string $path, callable $callback)  { self::match('delete', $path, $callback); }
    static function options(string $path, callable $callback) { self::match('options', $path, $callback); }
    static function any(string $path, callable $callback)     { self::match('get|post|put|patch|delete|options', $path, $callback); }

    static function middleware(callable|array $middlewares) {
        if (!is_array($middlewares)) {
            $middlewares = [$middlewares];
        }
        foreach ($middlewares as $middleware) {
            array_push(
                self::$groups[array_key_last(self::$groups)], $middleware
            );
        }
    }

    static function group(callable $callback) {
        array_push(self::$groups, []);
        $callback();
        array_pop(self::$groups);
    }
}