PHP에서 라우팅 일치자를 사용하여 라우팅 규칙의 동적 구성 및 확장 구현

composer require nikic/fast-route

<?php
require 'vendor/autoload.php';

use FastRouteDispatcher;

// 创建路由匹配器
$dispatcher = FastRoutesimpleDispatcher(function(FastRouteRouteCollector $r) {
    // 添加路由规则
    $r->get('/user/{id:d+}', 'getUserHandler');
    $r->post('/user', 'createUserHandler');
});

// 获取当前请求的路径和方法
$httpMethod = $_SERVER['REQUEST_METHOD'];
$uri = $_SERVER['REQUEST_URI'];

// 处理URL中的查询字符串
if (($pos = strpos($uri, '?')) !== false) {
    $uri = substr($uri, 0, $pos);
}

// 调度路由匹配
$routeInfo = $dispatcher->dispatch($httpMethod, $uri);

// 根据匹配结果进行处理
switch ($routeInfo[0]) {
    case Dispatcher::NOT_FOUND:
        // 404 Not Found
        header('HTTP/1.0 404 Not Found');
        echo '404 Not Found';
        break;

    case Dispatcher::METHOD_NOT_ALLOWED:
        // 405 Method Not Allowed
        header('HTTP/1.0 405 Method Not Allowed');
        echo '405 Method Not Allowed';
        break;

    case Dispatcher::FOUND:
        // 找到匹配的路由规则
        $handler = $routeInfo[1];
        $vars = $routeInfo[2];
        // 执行对应的处理器
        call_user_func_array($handler, $vars);
        break;
}