修改WordPress后台登陆表单中的用户名和密码标签

使用的过程中，很多时候我们想修改WordPress后台登陆表单中的用户名标签或密码标签：

我们可以打开网站根目录，修改 wp-login.PHP 文件 或者打开翻译文件进行修改，但是当我们的WordPress网站版本升级以后，修改会被覆盖，我们需要重新修改。这篇wordpress教程里，我们就向大家介绍一种使用翻译钩子进行修改的方法。

切换到主题目录，打开 functions.PHP 文件，加入以下代码：

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