in case message entities are empty set them to null

jacklul · jacklul · commit 3da71cd2e8e0 · 2016-04-16T17:54:09.000+02:00
diff --git a/src/DB.php b/src/DB.php
@@ -699,7 +699,7 @@ public static function insertMessageRequest(Message &$message)
 
                 $entities = json_encode($var);
             } else {
-                $entities = '';
+                $entities = null;
             }
 
             $sth->bindParam(':reply_to_chat', $reply_chat_id, \PDO::PARAM_INT);

Original file line number	Diff line number	Diff line change
`@@ -699,7 +699,7 @@ public static function insertMessageRequest(Message &$message)`
`699`	`699`
`700`	`700`	`$entities = json_encode($var);`
`701`	`701`	`} else {`
`702`		`- $entities = '';`
	`702`	`+ $entities = null;`
`703`	`703`	`}`
`704`	`704`
`705`	`705`	`$sth->bindParam(':reply_to_chat', $reply_chat_id, \PDO::PARAM_INT);`