Hide One Table Rate Option When Another is Available

betrs-hide-option-based-on-other-option.php

/**
 * Hide a specific Table Rate option when the given shipping option is available to choose
 * Code snippets should be added to the functions.php file of your child theme
 *
 * @return array
 */
function hide_shipping_when_option_is_available( $rates, $package ) {
    // setup the option IDs
    $option_needed = 'betrs_shipping:8-1';
    $option_removed = 'betrs_shipping:10-1';

    // look for the needed option
    if( array_key_exists( $option_needed, $rates ) ) {
        if( array_key_exists( $option_removed, $rates ) ) {
            unset( $rates[ $option_removed ] );
        }
    }
 
    return $rates;
}
add_filter( 'woocommerce_package_rates', 'hide_shipping_when_option_is_available', 10, 2 );