added response filters for version older than 1.8.x

app/controllers/general.php

@@ -27,6 +27,7 @@ use Appwrite\Utopia\Response\Filters\V16 as ResponseV16;
 use Appwrite\Utopia\Response\Filters\V17 as ResponseV17;
 use Appwrite\Utopia\Response\Filters\V18 as ResponseV18;
 use Appwrite\Utopia\Response\Filters\V19 as ResponseV19;
+use Appwrite\Utopia\Response\Filters\V20 as ResponseV20;
 use Appwrite\Utopia\View;
 use Executor\Executor;
 use MaxMind\Db\Reader;
@@ -1012,6 +1013,9 @@ App::init()
             if (version_compare($responseFormat, '1.7.0', '<')) {
                 $response->addFilter(new ResponseV19());
             }
+            if (version_compare($responseFormat, '1.8.0', '<')) {
+                $response->addFilter(new ResponseV20());
+            }
             if (version_compare($responseFormat, APP_VERSION_STABLE, '>')) {
                 $response->addHeader('X-Appwrite-Warning', "The current SDK is built for Appwrite " . $responseFormat . ". However, the current Appwrite server version is " . APP_VERSION_STABLE . ". Please downgrade your SDK to match the Appwrite version: https://appwrite.io/docs/sdks");
             }

src/Appwrite/Utopia/Response/Filters/V20.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Appwrite\Utopia\Response\Filters;
+
+use Appwrite\Utopia\Response;
+use Appwrite\Utopia\Response\Filter;
+
+class V20 extends Filter
+{
+    // removing $sequence from all versions less than 1.8
+    public function parse(array $content, string $model): array
+    {
+        $parsedResponse = $content;
+
+        $parsedResponse = match($model) {
+            Response::MODEL_DOCUMENT => $this->parseDocument($content),
+            Response::MODEL_DOCUMENT_LIST => $this->handleList($content, 'documents', fn ($item) => $this->parseDocument($item)),
+            default => $parsedResponse,
+        };
+
+        return $parsedResponse;
+    }
+
+    protected function parseDocument(array $content): array
+    {
+        unset($content['$sequence']);
+        return $content;
+    }
+}