respect-validation/library/Helpers/CountryInfo.php
Alexandre Gomes Gaigalas 6173757f63 Use PHP files and setup a runtime cache for CountryInfo
Previously, we were loading country info from a JSON file. This
changes it to use PHP files instead. It also caches these resources
across calls avoiding these files to be loaded more than once
per process.
2023-02-19 00:19:10 -03:00

55 lines
1.2 KiB
PHP

<?php
/*
* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
* SPDX-License-Identifier: MIT
*/
declare(strict_types=1);
namespace Respect\Validation\Helpers;
use Respect\Validation\Exceptions\ComponentException;
use function file_exists;
use function sprintf;
final class CountryInfo
{
/**
* @var mixed[]
*/
private $data;
/**
* @var mixed[]
*/
private static $runtimeCache = [];
public function __construct(string $countryCode)
{
if (!isset(static::$runtimeCache[$countryCode])) {
$filename = __DIR__ . '/../../data/iso_3166-2/' . $countryCode . '.php';
if (!file_exists($filename)) {
throw new ComponentException(sprintf('"%s" is not a supported country code', $countryCode));
}
static::$runtimeCache[$countryCode] = require $filename;
}
$this->data = static::$runtimeCache[$countryCode];
}
public function getCountry(): string
{
return $this->data['country'];
}
/**
* @return string[]
*/
public function getSubdivisions(): array
{
return $this->data['subdivisions'];
}
}