//需要隐藏的分类ID,多个请用英文的逗号隔开，比如array(4,5,6,7)
$delete_cat = array(384);

//处理隐藏指定内容
function usewp_delete_cat($query){
		global $delete_cat;
if(is_vip_x()=='0'){
		$query->set('category__not_in', $delete_cat);
}
		return $query;
}
add_filter('pre_get_posts', 'usewp_delete_cat');

//被隐藏的内容跳转404
add_action( 'wp', 'usewp_goto_404' );
function usewp_goto_404(){
	if ( is_single() && is_vip_x()=='0') {
		global $delete_cat;
		$arr_cat = get_the_category(get_the_ID())[0];
		if(in_array($arr_cat->term_id,$delete_cat)){
			global $wp_query;
			$wp_query->set_404();
			status_header(404);
		}
	}
}

function is_vip_x(){
//可查看的VIP
	$value = zrz_get_lv(get_current_user_id(),'');
	if(in_array($value,array('vip1','vip3')) == true || current_user_can( 'manage_options' ) ){
		return '1';
	}else{
		return '0';
	}
}