Redirect Category Slugs

custom-category-redirects.php

<?php

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

/**
* Redirect categories to pages
*/
function cf_redirect_categories() {

	if ( is_category( 'appliances' ) ) {
		$url = site_url( '/appliances/' );
		wp_safe_redirect( $url, 301 );
		exit();
	} else

	if ( is_category( 'juicers' ) ) {
		$url = site_url( '/appliances/juicers/' );
		wp_safe_redirect( $url, 301 );
		exit();
	} else

	if ( is_category( 'centrifugal' ) ) {
		$url = site_url( '/appliances/juicers/centrifugal' );
		wp_safe_redirect( $url, 301 );
		exit();
	} else

	if ( is_category( 'citrus' ) ) {
		$url = site_url( '/appliances/juicers/citrus' );
		wp_safe_redirect( $url, 301 );
		exit();
	} else

	if ( is_category( 'masticating' ) ) {
		$url = site_url( '/appliances/juicers/masticating' );
		wp_safe_redirect( $url, 301 );
		exit();
	} else

	if ( is_category( 'twin-gear' ) ) {
		$url = site_url( '/appliances/juicers/twin-gear' );
		wp_safe_redirect( $url, 301 );
		exit();
	} else

	if ( is_category( 'tips' ) ) {
		$url = site_url( '/tips/' );
		wp_safe_redirect( $url, 301 );
		exit();
	}

}
add_action( 'template_redirect', 'cf_redirect_categories' );