Move $data in saveFile to where actually needed

Author: charvimehradu

src/Response/Response.php

@@ -100,13 +100,13 @@ public function saveFile(string $filename)
             $baseName = pathinfo($filename, PATHINFO_FILENAME);
             $ext = pathinfo($filename, PATHINFO_EXTENSION) ?: 'png';
 
-            $data = json_decode($content, true);
             if ($imageCount === 1) {
                 $decodedContent = base64_decode($content);
                 if (File::write($filename, $decodedContent)) {
                     $savedFiles[] = $filename;
                 }
-            } elseif (is_array($data)) {
+            } else {
+                $data = json_decode($content, true);
                 foreach ($data as $index => $b64) {
                     $file = Path::clean($dir . '/' . $baseName . '_' . ($index + 1) . '.' . $ext);
                     $decodedContent = base64_decode($b64);