Vendoring deprecated composer libs

libs/jsonrpc/src/JsonRPC/Request/BatchRequestParser.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace JsonRPC\Request;
+
+/**
+ * Class BatchRequestParser
+ *
+ * @package JsonRPC\Request
+ * @author  Frederic Guillot
+ */
+class BatchRequestParser extends RequestParser
+{
+    /**
+     * Parse incoming request
+     *
+     * @access public
+     * @return string
+     */
+    public function parse()
+    {
+        $responses = array();
+
+        foreach ($this->payload as $payload) {
+            $responses[] = RequestParser::create()
+                ->withPayload($payload)
+                ->withProcedureHandler($this->procedureHandler)
+                ->withMiddlewareHandler($this->middlewareHandler)
+                ->withLocalException($this->localExceptions)
+                ->parse();
+        }
+
+        $responses = array_filter($responses);
+        return empty($responses) ? '' : '['.implode(',', $responses).']';
+    }
+
+    /**
+     * Return true if we have a batch request
+     *
+     * ex : [
+     *   0 => '...',
+     *   1 => '...',
+     *   2 => '...',
+     *   3 => '...',
+     * ]
+     *
+     * @static
+     * @access public
+     * @param  array $payload
+     * @return bool
+     */
+    public static function isBatchRequest(array $payload)
+    {
+        return array_keys($payload) === range(0, count($payload) - 1);
+    }
+}