[9.x] Allows to remove the server.php file (#40034)

* Allows to remove the `server.php` file

* Apply fixes from StyleCI

Co-authored-by: Taylor Otwell <taylorotwell@users.noreply.github.com>

Author: nunomaduro

src/Illuminate/Foundation/Console/ServeCommand.php

@@ -49,8 +49,6 @@ class ServeCommand extends Command
      */
     public function handle()
     {
-        chdir(public_path());
-
         $this->line("<info>Starting Laravel development server:</info> http://{$this->host()}:{$this->port()}");
 
         $environmentFile = $this->option('env')
@@ -104,7 +102,7 @@ public function handle()
      */
     protected function startProcess($hasEnvironment)
     {
-        $process = new Process($this->serverCommand(), null, collect($_ENV)->mapWithKeys(function ($value, $key) use ($hasEnvironment) {
+        $process = new Process($this->serverCommand(), public_path(), collect($_ENV)->mapWithKeys(function ($value, $key) use ($hasEnvironment) {
             if ($this->option('no-reload') || ! $hasEnvironment) {
                 return [$key => $value];
             }
@@ -132,11 +130,15 @@ protected function startProcess($hasEnvironment)
      */
     protected function serverCommand()
     {
+        $server = file_exists(base_path('server.php'))
+            ? base_path('server.php')
+            : __DIR__.'/../resources/server.php';
+
         return [
             (new PhpExecutableFinder)->find(false),
             '-S',
             $this->host().':'.$this->port(),
-            base_path('server.php'),
+            $server,
         ];
     }
 

src/Illuminate/Foundation/resources/server.php

@@ -0,0 +1,16 @@
+<?php
+
+$publicPath = getcwd();
+
+$uri = urldecode(
+    parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH)
+);
+
+// This file allows us to emulate Apache's "mod_rewrite" functionality from the
+// built-in PHP web server. This provides a convenient way to test a Laravel
+// application without having installed a "real" web server software here.
+if ($uri !== '/' && file_exists($publicPath.$uri)) {
+    return false;
+}
+
+require_once $publicPath.'/index.php';