hide_shipping_when_free_is_available

hide_shipping_when_free_is_available.php

<?php

add_filter( 'woocommerce_package_rates', 'hide_shipping_when_free_is_available', 10, 2 );

/**
 * Hide shipping rates when free shipping is available: https://docs.woothemes.com/document/hide-other-shipping-methods-when-free-shipping-is-available/
 *
 * @param array $rates Array of rates found for the package
 * @param array $package The package array/object being shipped
 * @return array of modified rates
 */
function hide_shipping_when_free_is_available( $rates, $package ) {
    // Only modify rates if free_shipping is present
    $free_shipping_rate_key = false;

    foreach ( $rates as $rate_key => $rate ) {
        $rate_key_exploded = explode( ':', $rate_key );
        if ( $rate_key_exploded[0] === 'free_shipping' ) {
            $free_shipping_rate_key = $rate_key;
        }
    }

    if ( $free_shipping_rate_key ) {
        foreach ( $rates as $rate_key => $rate ) {
            if ( $rate_key !== $free_shipping_rate_key ) {
                unset( $rates[ $rate_key ] );
            }
        }
    }

    return $rates;

}

Hello, is there any possibility that other types of shipping will also be displayed?