add reopen example

example_reopen_label.php

@@ -0,0 +1,11 @@
+<?php
+include("Gitea.php");
+$config=include("config.php");
+
+$gitea=new Gitea($config['url'],$config['user'],$config['pass']);
+
+$reopen=function($issue) use ($gitea){
+    $gitea->editIssue( $issue, ['state'=>'open']);
+};
+
+$gitea->forIssues('james','rc',$reopen,['state'=>'closed','labels'=>'test']);