Personalized woocommerce for wordpress

woocommerce-functions.php

/*
 * Personalized sorting options
*/
add_filter( 'woocommerce_get_catalog_ordering_args', 'custom_woocommerce_get_catalog_ordering_args' );

function custom_woocommerce_get_catalog_ordering_args( $args ) {
	$orderby_value = isset( $_GET['orderby'] ) ? woocommerce_clean( $_GET['orderby'] ) : apply_filters( 'woocommerce_default_catalog_orderby', get_option( 'woocommerce_default_catalog_orderby' ) );
	$fallback       = apply_filters( 'wc_extra_sorting_options_fallback', 'title', $orderby_value );
	$fallback_order = apply_filters( 'wc_extra_sorting_options_fallback_order', 'ASC', $orderby_value );

    if ('title_a' == $orderby_value) {
    	$args['orderby'] = 'title';
        $args['order'] = 'asc';
        $args['meta_key'] = '';
    } elseif ('title_z' == $orderby_value) {
    	$args['orderby'] = 'title';
        $args['order'] = 'desc';
        $args['meta_key'] = '';
    } elseif ('date_asc' == $orderby_value) {
    	$args['orderby'] = 'date';
        $args['order'] = 'asc';
        $args['meta_key'] = '';
    } elseif ('date_desc' == $orderby_value) {
    	$args['orderby'] = 'date';
        $args['order'] = 'desc';
        $args['meta_key'] = '';
    } elseif ('custom_menu_order' == $orderby_value) {
    	$args['orderby'] = array( 'menu_order' => 'ASC', 'title' => 'ASC' );
    }
    return $args;
}

function add_sort_by_date_newest_to_oldest( $sortby ) {
	$sortby['date_asc'] = __('Sort by date: newest to oldest', 'woocommerce');
	return $sortby;
}

function add_sort_by_date_oldest_to_newest( $sortby ) {
	$sortby['date_desc'] = __('Sort by date: oldest to newest', 'woocommerce');
	return $sortby;
}

function add_sort_by_title_a_to_z( $sortby ) {
	$sortby['title_a'] = __('Sort by title: A to Z', 'woocommerce');
	return $sortby;
}

function add_sort_by_title_z_to_a( $sortby ) {
	$sortby['title_z'] = __('Sort by title: Z to A', 'woocommerce');
	return $sortby;
}

function add_sort_by_menu_order( $sortby ) {
	$sortby['custom_menu_order'] = __('Sort by custom menu order', 'woocommerce');
	return $sortby;
}

add_filter( 'woocommerce_default_catalog_orderby_options', 'custom_woocommerce_catalog_orderby' );
add_filter( "woocommerce_catalog_orderby", "add_sort_by_date_newest_to_oldest", 40 );
add_filter( "woocommerce_catalog_orderby", "add_sort_by_date_oldest_to_newest", 41 );
add_filter( "woocommerce_catalog_orderby", "add_sort_by_title_a_to_z", 42 );
add_filter( "woocommerce_catalog_orderby", "add_sort_by_title_z_to_a", 43 );
add_filter( "woocommerce_catalog_orderby", "add_sort_by_menu_order", 44 );

function remove_order_by_options( $orderby ) {
	unset($orderby["price"]);
	unset($orderby["price-desc"]);
	unset($orderby["date"]);
	unset($orderby["rating"]);
	return $orderby;
}
add_filter( "woocommerce_catalog_orderby", "remove_order_by_options", 20 );