在我们给博客做WordPress优化时，很多细节都不可忽视，例如：分类链接中的category：https://www.wpzxbj.com/category/theme

WordPress分类的链接地址是程序中自带category目录， 这种结构的url其实还有优化的余地的，url优化是相对来说比较重要的环节， 如果能够去掉分类链接中的category无疑也是对网站seo优化有利。

那么我们改如何去掉分类链接中的category呢？下面wp自学笔记分享一段去掉分类链接中的category的WordPress代码：

//去掉分类链接中的categoryadd_action( 'load-themes.php', 'no_category_base_refresh_rules');add_action('created_category', 'no_category_base_refresh_rules');add_action('edited_category', 'no_category_base_refresh_rules');add_action('delete_category', 'no_category_base_refresh_rules');function no_category_base_refresh_rules() {        global $wp_rewrite;        $wp_rewrite -> flush_rules();}// register_deactivation_hook(__FILE__, 'no_category_base_deactivate');// function no_category_base_deactivate() {// remove_filter('category_rewrite_rules', 'no_category_base_rewrite_rules');//// We don't want to insert our custom rules again// no_category_base_refresh_rules();// }// Remove category baseadd_action('init', 'no_category_base_permastruct');function no_category_base_permastruct() {        global $wp_rewrite, $wp_version;        if (version_compare($wp_version, '3.4', '<')) {                // For pre-3.4 support                $wp_rewrite -> extra_permastructs['category'][0] = '{5cc1b29162d549a8071384de182cc9fc6e6a0fd85e7907f22fd9e18cff4269c3}category{5cc1b29162d549a8071384de182cc9fc6e6a0fd85e7907f22fd9e18cff4269c3}';        } else {                $wp_rewrite -> extra_permastructs['category']['struct'] = '{5cc1b29162d549a8071384de182cc9fc6e6a0fd85e7907f22fd9e18cff4269c3}category{5cc1b29162d549a8071384de182cc9fc6e6a0fd85e7907f22fd9e18cff4269c3}';        }}// Add our custom category rewrite rulesadd_filter('category_rewrite_rules', 'no_category_base_rewrite_rules');function no_category_base_rewrite_rules($category_rewrite) {        //var_dump($category_rewrite);// For Debugging        $category_rewrite = array();        $categories = get_categories(array('hide_empty' => false));        foreach ($categories as $category) {                $category_nicename = $category -> slug;                if ($category -> parent == $category -> cat_ID)// recursive recursion                        $category -> parent = 0;                elseif ($category -> parent != 0)                        $category_nicename = get_category_parents($category -> parent, false, '/', true) . $category_nicename;                $category_rewrite['(' . $category_nicename . ')/(?:feed/)?(feed|rdf|rss|rss2|atom)/?$'] = 'index.php?category_name=$matches[1]&feed=$matches[2]';                $category_rewrite['(' . $category_nicename . ')/page/?([0-9]{1,})/?$'] = 'index.php?category_name=$matches[1]&paged=$matches[2]';                $category_rewrite['(' . $category_nicename . ')/?$'] = 'index.php?category_name=$matches[1]';        }        // Redirect support from Old Category Base        global $wp_rewrite;        $old_category_base = get_option('category_base') ? get_option('category_base') : 'category';        $old_category_base = trim($old_category_base, '/');        $category_rewrite[$old_category_base . '/(.*)$'] = 'index.php?category_redirect=$matches[1]';        //var_dump($category_rewrite);// For Debugging        return $category_rewrite;}// Add 'category_redirect' query variableadd_filter('query_vars', 'no_category_base_query_vars');function no_category_base_query_vars($public_query_vars) {        $public_query_vars[] = 'category_redirect';        return $public_query_vars;}// Redirect if 'category_redirect' is setadd_filter('request', 'no_category_base_request');function no_category_base_request($query_vars) {        //print_r($query_vars);// For Debugging        if (isset($query_vars['category_redirect'])) {                $catlink = trailingslashit(get_option('home')) . user_trailingslashit($query_vars['category_redirect'], 'category');                status_header(301);                header("Location: $catlink");                exit();        }        return $query_vars;}

这段代码很长，很多人都看不懂，不过其实也不用看懂，直接将上面代码添加到主题functions.php文件就行。

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