WordPress使用CDN加速静态文件代码

//静态资源CDN,域名后面不要加/
define('CDN_HOST','https://WordPress网址');
define('CDN_HOST1','https://CDN网址');
add_filter('the_content','z_cdn_content');
function z_cdn_content($content){
return str_replace(home_url().'/wp-content', CDN_HOST.'/wp-content', $content);
}
add_filter('wp_get_attachment_url','z_get_attachment_url',10,2);
function z_get_attachment_url($url, $post_id){
return str_replace(home_url(), CDN_HOST1, $url);
}