添加方法参数变量约束

library/think/Cookie.php

@@ -16,17 +16,17 @@ class Cookie
 
     protected static $config = [
         // cookie 名称前缀
-        'prefix'   => '', 
+        'prefix'   => '',
         // cookie 保存时间
-        'expire'   => 0, 
+        'expire'   => 0,
         // cookie 保存路径
-        'path'     => '/', 
+        'path'     => '/',
         // cookie 有效域名
-        'domain'   => '', 
+        'domain'   => '',
         //  cookie 启用安全传输
-        'secure'   => false, 
+        'secure'   => false,
         // httponly设置
-        'httponly' => '', 
+        'httponly' => '',
     ];
 
     /**
@@ -34,7 +34,7 @@ class Cookie
      * @param array $config
      * @return void
      */
-    public static function init($config = [])
+    public static function init(array $config = [])
     {
         self::$config = array_merge(self::$config, array_change_key_case($config));
         if (!empty(self::$config['httponly'])) {
@@ -157,7 +157,7 @@ class Cookie
         }
         return;
     }
-    
+
     private static function jsonFormatProtect(&$val, $key, $type = 'encode')
     {
         if (!empty($val) && true !== $val) {