Install phan/phpstan local

vendor/felixfbecker/advanced-json-rpc/lib/Message.php

@@ -0,0 +1,52 @@
+<?php
+declare(strict_types = 1);
+
+namespace AdvancedJsonRpc;
+
+/**
+ * Base message
+ */
+abstract class Message
+{
+    /**
+     * A String specifying the version of the JSON-RPC protocol. MUST be exactly "2.0".
+     *
+     * @var string
+     */
+    public $jsonrpc = '2.0';
+
+    /**
+     * Returns the appropriate Message subclass
+     *
+     * @param string $msg
+     * @return Message
+     */
+    public static function parse(string $msg): Message
+    {
+        $decoded = json_decode($msg);
+        if (json_last_error() !== JSON_ERROR_NONE) {
+            throw new Error(json_last_error_msg(), ErrorCode::PARSE_ERROR);
+        }
+        if (Notification::isNotification($decoded)) {
+            $obj = new Notification($decoded->method, $decoded->params ?? null);
+        } else if (Request::isRequest($decoded)) {
+            $obj = new Request($decoded->id, $decoded->method, $decoded->params ?? null);
+        } else if (SuccessResponse::isSuccessResponse($decoded)) {
+            $obj = new SuccessResponse($decoded->id, $decoded->result);
+        } else if (ErrorResponse::isErrorResponse($decoded)) {
+            $obj = new ErrorResponse($decoded->id, new Error($decoded->error->message, $decoded->error->code, $decoded->error->data ?? null));
+        } else {
+            throw new Error('Invalid message', ErrorCode::INVALID_REQUEST);
+        }
+        return $obj;
+    }
+
+    public function __toString(): string
+    {
+        $encoded = json_encode($this);
+        if ($encoded === false) {
+            throw new Error(json_last_error_msg(), ErrorCode::INTERNAL_ERROR);
+        }
+        return $encoded;
+    }
+}