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WordPress纯代码不使用插件去除链接中category

这个肯定是不少用wordpress的朋友需要的!而大多数人都使用WP No Category Base插件去除category这个插件有个好处就是301重定向,下面的代码也有,如果使用WP No Category Base插件的话就别用下面的代码了,那个插件用了一次的话就必须得一直用下去,不然文章页会无法访问,当然你也可以想办法把这个插件彻底卸载了,把下面的代码放到主题的functions.php文件即可。

/**
* 去除链接category
*/
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');
functionno_category_base_refresh_rules(){
 global$wp_rewrite;
 $wp_rewrite->flush_rules();
}
// register_deactivation_hook(__FILE__, 'no_category_base_deactivate');
// function no_category_base_deactivate() {
// remove_filter('category_rewrite_rules', 'no_category_base_rewrite_rules');
// // We don't want to insert our custom rules again
// no_category_base_refresh_rules();
// }
// Remove category base
add_action('init','no_category_base_permastruct');
functionno_category_base_permastruct(){
 global$wp_rewrite,$wp_version;
 if(version_compare($wp_version,'3.4','<')){
 // For pre-3.4 support
 $wp_rewrite->extra_permastructs['category'][0]='%category%';
 }else{
 $wp_rewrite->extra_permastructs['category']['struct']='%category%';
 }
}
// Add our custom category rewrite rules
add_filter('category_rewrite_rules','no_category_base_rewrite_rules');
functionno_category_base_rewrite_rules($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');
functionno_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');
functionno_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;
}

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