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://xiaohost.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？下面悟空搜分享一段去掉分类链接中的category的WordPress代码：
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add_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 base
add_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 {
$wp_rewrite -> extra_permastructs['category']['struct'] = '{5cc1b29162d549a8071384de182cc9fc6e6a0fd85e7907f22fd9e18cff4269c3}category{5cc1b29162d549a8071384de182cc9fc6e6a0fd85e7907f22fd9e18cff4269c3}';
}
}
// Add our custom category rewrite rules
add_filter('category_rewrite_rules', 'no_category_base_rewrite_rules');
function no_category_base_rewrite_rules($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 $category_rewrite;
}
// Add 'category_redirect' query variable
add_filter('query_vars', 'no_category_base_query_vars');
function no_category_base_query_vars($public_query_vars) {
$public_query_vars[] = 'category_redirect';
return $public_query_vars;
}
// Redirect if 'category_redirect' is set
add_filter('request', 'no_category_base_request');
function no_category_base_request($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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原文链接：https://xiaohost.com/1200.html，转载请注明出处。
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