Actualización

vendor/php-http/message/src/RequestMatcher/CallbackRequestMatcher.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Http\Message\RequestMatcher;
+
+use Http\Message\RequestMatcher;
+use Psr\Http\Message\RequestInterface;
+
+/**
+ * Match a request with a callback.
+ *
+ * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
+ */
+final class CallbackRequestMatcher implements RequestMatcher
+{
+    /**
+     * @var callable
+     */
+    private $callback;
+
+    public function __construct(callable $callback)
+    {
+        $this->callback = $callback;
+    }
+
+    public function matches(RequestInterface $request)
+    {
+        return (bool) call_user_func($this->callback, $request);
+    }
+}