Hide other shipping methods if free shipping is available woocommerce

This article will demonstrate that how you can disable other available shipping methods if free shipping is available by using the filters in woocommerce
below is the useful code snippet :-

add_filter( 'woocommerce_package_rates', 'hide_available_shipping_method', 100 );

function hide_available_shipping_method( $rates ) {
	$free = array();
	foreach ( $rates as $rate_id => $rate ) {
		if ( 'free_shipping' === $rate->method_id ) {
			$free[ $rate_id ] = $rate;
			break;
		}
	}
        // this will return only free shipping method
	return ! empty( $free ) ? $free : $rates;
}

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