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<?php namespace Give\Framework\Support\Currencies; use Money\Currencies; use Money\Currency; use Money\Exception\UnknownCurrencyException; /** * Custom currencies implementation that uses GiveWP's currency list and filter. * Implements the Money library's Currencies interface to ensure Money operations * use GiveWP's configured currencies and decimal settings. * * @since 4.10.0 / class GiveCurrencies implements Currencies { /* * @since 4.10.0 / public function contains(Currency $currency): bool { $supportedCurrencies = array_keys(give_get_currencies_list()); return in_array($currency->getCode(), $supportedCurrencies, true); } /* * @since 4.10.0 / public function subunitFor(Currency $currency): int { if (!$this->contains($currency)) { throw new UnknownCurrencyException('Unknown currency: ' . $currency->getCode()); } $currencies = give_get_currencies_list(); $currencyData = $currencies[$currency->getCode()] ?? []; $decimals = $currencyData['setting']['number_decimals'] ?? 2; return (int) $decimals; } /* * Returns an iterator over all supported currencies. * * Uses yield (Generator) instead of ArrayIterator for better performance and memory efficiency: * - Lazy loading: Creates Currency objects only when needed during iteration * - Memory efficient: Doesn't load all 100+ Currency objects into memory at once * - Dynamic data: Based on give_get_currencies_list() which can change via filters * - Better performance: Especially important for large currency lists (100+ currencies) * * This approach is more suitable than ArrayIterator (used by BitcoinCurrencies/ISOCurrencies) * because GiveWP's currency list is dynamic and potentially large, unlike static ISO lists. * * @since 4.10.0 */ public function getIterator(): \Traversable { $supportedCurrencies = array_keys(give_get_currencies_list()); foreach ($supportedCurrencies as $currencyCode) { yield new Currency($currencyCode); } } }