Custom WooCommerce Sorting Options

custom_woocommerce_sorting_options.php

// Fix Default WooCommerce Sorting
function ocs_remove_default_sorting_options( $options ){

	unset( $options[ 'popularity' ] );
	unset( $options[ 'menu_order' ] );
	unset( $options[ 'rating' ] );
	unset( $options[ 'date' ] );
	unset( $options[ 'price' ] );
	unset( $options[ 'price-desc' ] );

	return $options;

}
add_filter( 'woocommerce_catalog_orderby', 'ocs_remove_default_sorting_options' );

// Add Alphabetical sorting option to shop page
function ocs_alphabetical_woocommerce_shop_ordering( $sort_args ) {
  $orderby_value = isset( $_GET['orderby'] ) ? woocommerce_clean( $_GET['orderby'] ) : apply_filters( 'woocommerce_default_catalog_orderby', get_option( 'woocommerce_default_catalog_orderby' ) );

    if ( 'name_a_to_z' == $orderby_value ) {
        $sort_args['orderby'] = 'name';
        $sort_args['order'] = 'asc';
        $sort_args['meta_key'] = '';
    }

    if ( 'name_z_to_a' == $orderby_value ) {
        $sort_args['orderby'] = 'name';
        $sort_args['order'] = 'desc';
        $sort_args['meta_key'] = '';
    }

    return $sort_args;
}
add_filter( 'woocommerce_get_catalog_ordering_args', 'ocs_alphabetical_woocommerce_shop_ordering' );

// Add custom sortby options
function ocs_custom_woocommerce_catalog_orderby( $sortby ) {
    $sortby['name_a_to_z'] = 'Sort by Name: A to Z';
    $sortby['name_z_to_a'] = 'Sort by Name: Z to A';
    return $sortby;
}
add_filter( 'woocommerce_default_catalog_orderby_options', 'ocs_custom_woocommerce_catalog_orderby' );
add_filter( 'woocommerce_catalog_orderby', 'ocs_custom_woocommerce_catalog_orderby' );