From f5e4fb9140c24ee3dfe09af567b91cf8d51ae5d2 Mon Sep 17 00:00:00 2001
From: Philipp Wrann <philippwrann@gmail.com>
Date: Thu, 30 Mar 2023 12:28:30 +0200
Subject: [PATCH] [bugfix] remove specific string interpolation method, that
 was deprecated in php 8.2

---
 src/Services/ApplicationService.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Services/ApplicationService.php b/src/Services/ApplicationService.php
index b08ee47..35af9ab 100644
--- a/src/Services/ApplicationService.php
+++ b/src/Services/ApplicationService.php
@@ -147,10 +147,10 @@ public function hasRequiredValue($postVars, $keys)
      */
     private function _hasRequiredValuesForFiles($postVars, $key)
     {
-        $contentKey = "${key}_content";
-        $contentFilenameKey = "${key}_content_filename";
-        $urlKey = "${key}_url";
-        $urlFilenameKey = "${key}_url_filename";
+        $contentKey = "{$key}_content";
+        $contentFilenameKey = "{$key}_content_filename";
+        $urlKey = "{$key}_url";
+        $urlFilenameKey = "{$key}_url_filename";
         
         if (array_key_exists($contentKey, $postVars) && 
             array_key_exists($contentFilenameKey, $postVars) &&