If no query is entered, just return an empty result.

src/Commands/SystemCommands/InlinequeryCommand.php

@@ -37,23 +37,22 @@ class InlinequeryCommand extends SystemCommand
         $inline_query = $update->getInlineQuery();
         $query = $inline_query->getQuery();
 
-        if ($query === '') {
-            return Request::emptyResponse();
-        }
-
-        $data['inline_query_id'] = $inline_query->getId();
+        $data = ['inline_query_id' => $inline_query->getId()];
+        $results = [];
 
+        if ($query !== '') {
             $articles = [
-            ['id' => '001', 'title' => 'https://core.telegram.org/bots/api#answerinlinequery', 'description' => 'you enter: ' . $query , 'input_message_content' => new InputTextMessageContent([ 'message_text' => ' ' . $query ])],
-            ['id' => '002', 'title' => 'https://core.telegram.org/bots/api#answerinlinequery', 'description' => 'you enter: ' . $query , 'input_message_content' => new InputTextMessageContent([ 'message_text' => ' ' . $query ])],
-            ['id' => '003', 'title' => 'https://core.telegram.org/bots/api#answerinlinequery', 'description' => 'you enter: ' . $query , 'input_message_content' => new InputTextMessageContent([ 'message_text' => ' ' . $query ])],
+                ['id' => '001', 'title' => 'https://core.telegram.org/bots/api#answerinlinequery', 'description' => 'you enter: ' . $query, 'input_message_content' => new InputTextMessageContent(['message_text' => ' ' . $query])],
+                ['id' => '002', 'title' => 'https://core.telegram.org/bots/api#answerinlinequery', 'description' => 'you enter: ' . $query, 'input_message_content' => new InputTextMessageContent(['message_text' => ' ' . $query])],
+                ['id' => '003', 'title' => 'https://core.telegram.org/bots/api#answerinlinequery', 'description' => 'you enter: ' . $query, 'input_message_content' => new InputTextMessageContent(['message_text' => ' ' . $query])],
             ];
 
-        $array_article = [];
             foreach ($articles as $article) {
-            $array_article[] = new InlineQueryResultArticle($article);
+                $results[] = new InlineQueryResultArticle($article);
             }
-        $data['results'] = '[' . implode(',', $array_article) . ']';
+        }
+
+        $data['results'] = '[' . implode(',', $results) . ']';
 
         return Request::answerInlineQuery($data);
     }