t

scripts/router.php

@@ -0,0 +1,25 @@
+<?php
+declare(strict_types=1);
+
+// Router for PHP's built-in development server. Apache protects the legacy
+// directory with .htaccess, but the built-in server ignores it completely.
+$uri = rawurldecode((string)(parse_url((string)($_SERVER['REQUEST_URI'] ?? '/'), PHP_URL_PATH) ?: '/'));
+$segments = array_values(array_filter(explode('/', str_replace('\\', '/', $uri)), static fn(string $part): bool => $part !== ''));
+foreach ($segments as $segment) {
+    if (str_starts_with($segment, '.')) {
+        http_response_code(404);
+        header('Content-Type: text/plain; charset=utf-8');
+        echo "Not found\n";
+        return true;
+    }
+}
+
+$projectRoot = dirname(__DIR__);
+$relative = ltrim($uri, '/');
+$candidate = $projectRoot . ($relative === '' ? DIRECTORY_SEPARATOR . 'index.html' : DIRECTORY_SEPARATOR . $relative);
+if (is_file($candidate)) return false;
+
+http_response_code(404);
+header('Content-Type: text/plain; charset=utf-8');
+echo "Not found\n";
+return true;

scripts/start_server.bat

@@ -0,0 +1,7 @@
+@echo off
+setlocal
+set PORT=%~1
+if "%PORT%"=="" set PORT=8000
+for %%I in ("%~dp0..") do set "ROOT=%%~fI"
+cd /d "%ROOT%"
+php -S 127.0.0.1:%PORT% -t "%ROOT%" "%~dp0router.php"

scripts/start_server.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env sh
+set -eu
+PORT="${1:-8000}"
+SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+PROJECT_ROOT=$(CDPATH= cd -- "$SCRIPT_DIR/.." && pwd)
+exec php -S "127.0.0.1:${PORT}" -t "$PROJECT_ROOT" "$SCRIPT_DIR/router.php"