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<?php declare(strict_types=1); /* * (c) Rob Bast <rob.bast@gmail.com> * * For the full copyright and license information, please view * the LICENSE file that was distributed with this source code. */ namespace League\ISO3166; use League\ISO3166\Exception\DomainException; final class ISO3166DataValidator { public function validate(array $data): array { foreach ($data as $entry) { $this->assertEntryHasRequiredKeys($entry); } return $data; } /** * @throws \League\ISO3166\Exception\DomainException if given data entry does not have all the required keys */ private function assertEntryHasRequiredKeys(array $entry): void { if (!isset($entry[ISO3166::KEY_ALPHA2])) { throw new DomainException('Each data entry must have a valid alpha2 key.'); } Guards::guardAgainstInvalidAlpha2($entry[ISO3166::KEY_ALPHA2]); if (!isset($entry[ISO3166::KEY_ALPHA3])) { throw new DomainException('Each data entry must have a valid alpha3 key.'); } Guards::guardAgainstInvalidAlpha3($entry[ISO3166::KEY_ALPHA3]); if (!isset($entry[ISO3166::KEY_NUMERIC])) { throw new DomainException('Each data entry must have a valid numeric key.'); } Guards::guardAgainstInvalidNumeric($entry[ISO3166::KEY_NUMERIC]); } }