wordpress去掉分类链接中的category标志

去除链接中的category标志，这样看起来链接不仅美观，还有利于收录。但在这里给大家奉劝一句：
如果你是新站，我建议你马上就改掉。

但如果你是老站，就最好别改了，改了从百度收录的文章中打开会跳出404页面。

复制下面的代码，然后放到主题的functions.php文件最后面 ?> 的前面，然后记得添加后要在设
置–固定链接中点一下保存，不然打开分类会404

//去除分类标志代码
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
//http://www.wpmee.com/no_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] = '%category%';
} else {
$wp_rewrite -> extra_permastructs['category']['struct'] = '%category%';
}
}
// Add our custom category rewrite rules
add_filter('category_rewrite_rules', 'no_category_base_rewrite_rules');
function no_category_base_rewrite_rules($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;
}