From 71cd40b52ead2b6bc9f9f8489e0f70cef63c81cd Mon Sep 17 00:00:00 2001
From: gustavfors <49721755+gustavfors@users.noreply.github.com>
Date: Tue, 5 Jan 2021 19:00:01 +0100
Subject: [PATCH] Added redirectBack method to the Response class

Useful for redirecting the user back to the previous page.
---
 src/Response/Response.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/Response/Response.php b/src/Response/Response.php
index 3ffc860..ea94a84 100644
--- a/src/Response/Response.php
+++ b/src/Response/Response.php
@@ -286,4 +286,22 @@ public function redirect(string $url) : object
         $this->body = null;
         return $this;
     }
+    
+    /**
+     * 
+     * Tries to redirect back to the previous page
+     * 
+     * @param string $fallback fallback url to redirect to
+     * 
+     * @return self
+     * 
+     */
+    public function redirectBack(string $fallback = "")
+    {
+        if (isset($_SERVER["HTTP_REFERER"])) {
+            return $this->redirect($_SERVER["HTTP_REFERER"]);
+        } else {
+            return $this->redirect($fallback);
+        }
+    }
 }