WordPress 4.4以后的版本对中文用户名不友好，所以我借鉴了wp-includes/formatting.php中sanitize_user函数的写法，将以下php代码复制到当前主题目录下的functions.php中，即可让WordPress支持使用中文用户名注册和登录：
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function mobantu_sanitize_user ($username, $raw_username, $strict) { $username = wp_strip_all_tags( $raw_username ); $username = remove_accents( $username ); // Kill octets $username = preg_replace( '|%([a-fA-F0-9][a-fA-F0-9])|', '', $username ); $username = preg_replace( '/&.+?;/', '', $username ); // Kill entities // 网上很多教程都是直接将$strict赋值false， // 这样会绕过字符串检查，留下隐患 if ($strict) { $username = preg_replace ('|[^a-zp{Han}0-9 _.-@]|iu', '', $username); } $username = trim( $username ); // Consolidate contiguous whitespace $username = preg_replace( '|s+|', ' ', $username ); return $username; } add_filter ('sanitize_user', 'mobantu_sanitize_user', 10, 3); |
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