remove custom post types slug wordpress

/**
 * Remove the slug from published post permalinks for our custom post types.
 */
add_filter( 'post_type_link', function( $post_link, $post, $leavename ) {

	$post_types = array(
		'projects',
		'catalog',
		'feedbacks',
		'actions'
	);

	if ( in_array( $post->post_type, $post_types ) && 'publish' === $post->post_status ) {
		$post_link = str_replace( '/' . $post->post_type . '/', '/', $post_link );
	}

	return $post_link;

}, 10, 3 );

/**
 * Some hackery to have WordPress match postname to any of our public post types.
 *
 * All of our public post types can have /post-name/ as the slug, so they better be unique across all posts
 * Typically core only accounts for posts and pages where the slug is /post-name/
 */
add_action( 'pre_get_posts', function( $query ) {

	// Only noop the main query.
	if ( ! $query->is_main_query() ) {
		return;
	}

	// Only noop our very specific rewrite rule match.
	if ( 2 != count( $query->query ) || ! isset( $query->query['page'] ) ) {
		return;
	}

	// 'name' will be set if post permalinks are just post_name, otherwise the page rule will match.
	if ( ! empty( $query->query['name'] ) ) {

			$post_types = array(
			'post', // important to  not break your standard posts
			'page', // important to  not break your standard pages
			'projects',
			'catalog',
			'feedbacks',
			'actions',
		);

		$query->set( 'post_type', $post_types );

	}

} );