Рассчитать обменный курс

array(4) { [0]=> object(ExchangeRatesNew)#301 (11) { ["_e":"CComponent":private]=> NULL ["_m":"CComponent":private]=> NULL ["_errors":"CModel":private]=> array(0) { } ["_validators":"CModel":private]=> NULL ["_scenario":"CModel":private]=> string(6) "update" ["_new":"CActiveRecord":private]=> bool(false) ["_attributes":"CActiveRecord":private]=> array(9) { ["id"]=> int(7) ["json_time"]=> string(19) "2025-09-17 09:34:19" ["currency"]=> string(3) "USD" ["buy"]=> float(16900) ["sell"]=> float(17025) ["create_time"]=> string(19) "2025-09-17 18:00:01" ["bStatus"]=> int(0) ["sStatus"]=> int(0) ["type"]=> int(1) } ["_related":"CActiveRecord":private]=> array(0) { } ["_c":"CActiveRecord":private]=> NULL ["_pk":"CActiveRecord":private]=> int(7) ["_alias":"CActiveRecord":private]=> string(1) "t" } [1]=> object(ExchangeRatesNew)#302 (11) { ["_e":"CComponent":private]=> NULL ["_m":"CComponent":private]=> NULL ["_errors":"CModel":private]=> array(0) { } ["_validators":"CModel":private]=> NULL ["_scenario":"CModel":private]=> string(6) "update" ["_new":"CActiveRecord":private]=> bool(false) ["_attributes":"CActiveRecord":private]=> array(9) { ["id"]=> int(8) ["json_time"]=> string(19) "2025-09-17 09:34:19" ["currency"]=> string(3) "EUR" ["buy"]=> float(19892) ["sell"]=> float(20517) ["create_time"]=> string(19) "2025-09-17 18:00:01" ["bStatus"]=> int(0) ["sStatus"]=> int(0) ["type"]=> int(1) } ["_related":"CActiveRecord":private]=> array(0) { } ["_c":"CActiveRecord":private]=> NULL ["_pk":"CActiveRecord":private]=> int(8) ["_alias":"CActiveRecord":private]=> string(1) "t" } [2]=> object(ExchangeRatesNew)#303 (11) { ["_e":"CComponent":private]=> NULL ["_m":"CComponent":private]=> NULL ["_errors":"CModel":private]=> array(0) { } ["_validators":"CModel":private]=> NULL ["_scenario":"CModel":private]=> string(6) "update" ["_new":"CActiveRecord":private]=> bool(false) ["_attributes":"CActiveRecord":private]=> array(9) { ["id"]=> int(5) ["json_time"]=> string(19) "2025-09-17 09:34:19" ["currency"]=> string(3) "RUB" ["buy"]=> float(194) ["sell"]=> float(214) ["create_time"]=> string(19) "2025-09-17 18:00:01" ["bStatus"]=> int(0) ["sStatus"]=> int(0) ["type"]=> int(1) } ["_related":"CActiveRecord":private]=> array(0) { } ["_c":"CActiveRecord":private]=> NULL ["_pk":"CActiveRecord":private]=> int(5) ["_alias":"CActiveRecord":private]=> string(1) "t" } [3]=> object(ExchangeRatesNew)#304 (11) { ["_e":"CComponent":private]=> NULL ["_m":"CComponent":private]=> NULL ["_errors":"CModel":private]=> array(0) { } ["_validators":"CModel":private]=> NULL ["_scenario":"CModel":private]=> string(6) "update" ["_new":"CActiveRecord":private]=> bool(false) ["_attributes":"CActiveRecord":private]=> array(9) { ["id"]=> int(6) ["json_time"]=> string(19) "2025-09-17 09:34:19" ["currency"]=> string(3) "GBP" ["buy"]=> float(22844) ["sell"]=> float(23540) ["create_time"]=> string(19) "2025-09-17 18:00:01" ["bStatus"]=> int(1) ["sStatus"]=> int(0) ["type"]=> int(1) } ["_related":"CActiveRecord":private]=> array(0) { } ["_c":"CActiveRecord":private]=> NULL ["_pk":"CActiveRecord":private]=> int(6) ["_alias":"CActiveRecord":private]=> string(1) "t" } }