解决WordPress支持使用中文用户名注册和登录的方法

我们在使用wordpress建站的过程当中，有些客户要求后台可以使用中文用户名来进行注册和登录。借鉴wp-includes/formatting.PHP中sanitize_user函数的写法，可以使用下面的方法实现。

切换到模板目录，打开 functions.PHP 文件，添加如下代码：

Crayon-5c891d4e4ea9a822073184" class="Crayon-Syntax Crayon-theme-classic Crayon-font-monaco Crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouSEOver" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">

Crayon-toolbar" data-settings=" mouSEOver overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">Crayon-title">functions.PHP

Crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">Crayon-mixed-highlight" title="Contains Mixed Languages">

Crayon-button Crayon-nums-button" title="Toggle Line Numbers">

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Crayon-button Crayon-plain-button" title="Toggle Plain Code">

Crayon-button-icon">

Crayon-button Crayon-wrap-button" title="Toggle Line Wrap">

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Crayon-button Crayon-expand-button" title="Expand Code">

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Crayon-button Crayon-copy-button" title="copy">

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Crayon-button Crayon-popup-button" title="Open Code In New Window">

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Crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">

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