删除WordPress URL中的 category

发表于 2016年07月29日
WordPress

两个选择，使用插件：WP No Category Base，无需设置，安装启用即可，会重定向301，不影响索引。

或把下面代码加进Functions.php，这个只是把插件代码提取出来，效果一样的，整合主题就不用插件：

/*===========================================================
=            REMOVE CATEGORY / CUSTOM PAGINATION            =
===========================================================*/
register_activation_hook(__FILE__, '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] = '%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['(' . $category_nicename . ')/drink-number/?([0-9]{1,})/?$'] = '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;
}


register_activation_hook(   __FILE__ , 'pagination_flush' );
register_deactivation_hook( __FILE__ , 'pagination_flush' );

add_action('init', function() {
    $GLOBALS['wp_rewrite']->pagination_base = 'drink-number';
});

function pagination_flush() {
    add_action( 'init', 'flush_rewrite_rules', 11 );
}

/*===========================================================

= REMOVE CATEGORY / CUSTOM PAGINATION =

===========================================================*/

register_activation_hook(__FILE__, '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] = '%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['(' . $category_nicename . ')/drink-number/?([0-9]{1,})/?$'] = '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;

}

register_activation_hook( __FILE__ , 'pagination_flush' );

register_deactivation_hook( __FILE__ , 'pagination_flush' );

add_action('init', function() {

$GLOBALS['wp_rewrite']->pagination_base = 'drink-number';

});

function pagination_flush() {

add_action( 'init', 'flush_rewrite_rules', 11 );

}

标签：WordPress 原文连接：删除WordPress URL中的 category 所有媒体，可在保留署名、原文连接的情况下转载，若非则不得使用我方内容。

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