Adopt server examples

examples/bootstrap.php

@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * This file is part of the official PHP MCP SDK.
+ *
+ * A collaboration between Symfony and the PHP Foundation.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Mcp\Capability\Registry\Container;
+use Psr\Log\AbstractLogger;
+use Psr\Log\LoggerInterface;
+
+require_once dirname(__DIR__).'/vendor/autoload.php';
+
+set_exception_handler(function (Throwable $t): never {
+    fwrite(\STDERR, "[MCP SERVER CRITICAL ERROR]\n");
+    fwrite(\STDERR, 'Error: '.$t->getMessage()."\n");
+    fwrite(\STDERR, 'File: '.$t->getFile().':'.$t->getLine()."\n");
+    fwrite(\STDERR, $t->getTraceAsString()."\n");
+
+    exit(1);
+});
+
+function logger(): LoggerInterface
+{
+    return new class extends AbstractLogger {
+        public function log($level, Stringable|string $message, array $context = []): void
+        {
+            $debug = $_SERVER['DEBUG'] ?? false;
+
+            if (!$debug && 'debug' === $level) {
+                return;
+            }
+
+            $logMessage = sprintf(
+                "[%s] %s %s\n",
+                strtoupper($level),
+                $message,
+                ([] === $context || !$debug) ? '' : json_encode($context),
+            );
+
+            if ($_SERVER['FILE_LOG'] ?? false) {
+                file_put_contents('dev.log', $logMessage, \FILE_APPEND);
+            }
+
+            fwrite(\STDERR, $logMessage);
+        }
+    };
+}
+
+function container(): Container
+{
+    $container = new Container();
+    $container->set(LoggerInterface::class, logger());
+
+    return $container;
+}