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hungtrinh/discountRateByMembershipType.php

Created November 3, 2019 16:00
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Final Production Code (Testable)
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discountRateByMembershipType.php
<?php
function discountRateByMembershipType ($membershipType) {
if ('platinum' === $membershipType) return 0.15;
if ('gold' === $membershipType) return 0.1;
if ('silver' === $membershipType) return 0.05;
throw new UnexpectedValueException('invalid membership type');
}
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