From 12b750b66aff82c0d80c1bcc102469be26b2ae42 Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Sun, 7 Jan 2018 16:40:16 +0100
Subject: [PATCH] Check data existence

---
 Message/RequestAbstract.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Message/RequestAbstract.php b/Message/RequestAbstract.php
index abb4abcac..529c552aa 100644
--- a/Message/RequestAbstract.php
+++ b/Message/RequestAbstract.php
@@ -217,6 +217,20 @@ abstract class RequestAbstract implements MessageInterface
         return $this->data[$key] ?? null;
     }
 
+    /**
+     * Check if has data.
+     *
+     * @param mixed $key Data key
+     * 
+     * @return bool
+     *
+     * @since  1.0.0
+     */
+    public function hasData($key) : bool
+    {
+        return isset($this->data[$key]);
+    }
+
     /**
      * Set request data.
      *