woocommerce add space between currency and price

wp-woocommerce-add-space-currency.php

<?php

/**
 * Add a spcae after the CHF currency in WooCommerce.
 *
 * @param string $currency_symbol
 * @param string $currency
 *
 * @return string
 */
function timwp_woocommerce_add_space_currency( string $currency_symbol, string $currency ): string {
	if ( 'CHF' == $currency ) {
		$currency_symbol = 'CHF ';
	}

	return $currency_symbol;
}

add_filter( 'woocommerce_currency_symbol', 'timwp_woocommerce_add_space_currency', 10, 2 );