Remove taxonomies

404-tag-archives.php

<?php

add_action( 'pre_get_posts', 'cameronjonesweb_404_tag_archives' );

function cameronjonesweb_404_tag_archives( $query ) {
	if( $query->is_main_query() && $query->is_tag() ) {
		$query->set_404();
		status_header( 404 );
	}
}

remove-categories.php

<?php

add_action( 'init', 'cameronjonesweb_unregister_categories' );
add_filter( 'get_the_categories', '__return_false' );
add_filter( 'the_category', '__return_false' );
add_filter( 'wp_get_object_terms', 'cameronjonesweb_hide_categories_front_end', 10, 4 );
add_action( 'pre_get_posts', 'cameronjonesweb_404_category_archives' );

/**
 * Removes categories from blog posts
 */
function cameronjonesweb_unregister_categories() {
    unregister_taxonomy_for_object_type( 'category', 'post' );
}

/**
 * Removes categories from the front end
 */
function cameronjonesweb_hide_categories_front_end( $terms, $object_ids, $taxonomies, $args ) {
	if( in_array( 'category', $taxonomies ) ) {
		$terms = false;
	}
	return $terms;
}

/**
 * Remove category pages
 */
function cameronjonesweb_404_category_archives( $query ) {
	if( $query->is_main_query() && $query->is_category() ) {
		$query->set_404();
		status_header( 404 );
	}
}

remove-tags-front-end.php

<?php

add_filter( 'get_the_tags', '__return_false' );
add_filter( 'the_tags', '__return_false' );
add_filter( 'wp_get_object_terms', 'cameronjonesweb_hide_tags_front_end', 10, 4 );

function cameronjonesweb_hide_tags_front_end( $terms, $object_ids, $taxonomies, $args ) {
	if( in_array( 'post_tag', $taxonomies ) ) {
		$terms = false;
	}
	return $terms;
}

remove-tags.php

<?php

add_action( 'init', 'cameronjonesweb_unregister_tags' );

/**
 * Removes tags from blog posts
 */
function cameronjonesweb_unregister_tags() {
    unregister_taxonomy_for_object_type( 'post_tag', 'post' );
}

remove-woocommerce-taxonomies.php

<?php

add_action( 'init', 'cameronjonesweb_unregister_woocommerce_taxonomies' );
add_filter( 'wp_get_object_terms', 'cameronjonesweb_hide_woocommerce_taxonomies_front_end', 10, 4 );
add_action( 'pre_get_posts', 'cameronjonesweb_404_woocommerce_taxonomy_archives' );

/**
 * Removes tags and categories from WooCommerce products
 */
function cameronjonesweb_unregister_woocommerce_taxonomies() {
    unregister_taxonomy_for_object_type( 'product_cat', 'product' );
    unregister_taxonomy_for_object_type( 'product_tag', 'product' );
}

/**
 * Removes WooCommerce taxonomies from the front end
 */
function cameronjonesweb_hide_woocommerce_taxonomies_front_end`( $terms, $object_ids, $taxonomies, $args ) {
	if( in_array( [ 'product_cat', 'product_tag' ], $taxonomies ) ) {
		$terms = false;
	}
	return $terms;
}

/**
 * Remove WooCommerce taxonomy archives
 */
function cameronjonesweb_404_woocommerce_taxonomy_archives( $query ) {
	if( $query->is_main_query() && $query->is_term( [ 'product_cat', 'product_tag' ] ) ) {
		$query->set_404();
		status_header( 404 );
	}
}