fix stack

var/Typecho/Validate.php

@@ -239,12 +239,12 @@ class Typecho_Validate
      * @access public
      *
      * @param string $key 数值键值
-     * @param string $rule 规则名称
+     * @param string|array $rule 规则名称
      * @param string $message 错误字符串
      *
      * @return $this
      */
-    public function addRule(string $key, string $rule, string $message): Typecho_Validate
+    public function addRule(string $key, $rule, string $message): Typecho_Validate
     {
         if (func_num_args() <= 3) {
             $this->_rules[$key][] = [$rule, $message];

var/Typecho/Widget.php

@@ -255,10 +255,14 @@ abstract class Typecho_Widget
      */
     public function next()
     {
-        if ($this->sequence < count($this->stack)) {
-            $this->row = $this->stack[$this->sequence];
+        $key = key($this->stack);
+
+        if ($key !== null && isset($this->stack[$key])) {
+            $this->row = current($this->stack);
+            next($this->stack);
             $this->sequence ++;
         } else {
+            reset($this->stack);
             $this->sequence = 0;
             return false;
         }

var/Widget/Comments/Archive.php

@@ -70,14 +70,11 @@ class Widget_Comments_Archive extends Widget_Abstract_Comments
     /**
      * 输出文章评论数
      *
-     * @access public
-     * @param string $string 评论数格式化数据
-     * @return void
+     * @param ...$args
      */
-    public function num()
+    public function num(...$args)
     {
-        $args = func_get_args();
-        if (!$args) {
+        if (empty($args)) {
             $args[] = '%d';
         }