public static function setSelectedCurrency($currencyId) { $currenciesIds = array_keys(self::$currencies); if (in_array($currencyId, $currenciesIds, true)) { self::$currencies[$currencyId]['selected'] = true; self::$reportCurrencyId = $currencyId; } else { self::$currencies[$currenciesIds[0]]['selected'] = true; self::$reportCurrencyId = $currenciesIds[0]; } }