Рассчитать обменный курс

array(4) { [0]=> object(ExchangeRatesNew)#245 (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) "2025-07-07 09:31:57" ["currency"]=> string(3) "USD" ["buy"]=> float(16900) ["sell"]=> float(17025) ["create_time"]=> string(19) "2025-07-07 18:00:02" ["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)#246 (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) "2025-07-07 09:31:57" ["currency"]=> string(3) "EUR" ["buy"]=> float(19741) ["sell"]=> float(20361) ["create_time"]=> string(19) "2025-07-07 18:00:02" ["bStatus"]=> int(0) ["sStatus"]=> int(-1) ["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)#247 (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) "2025-07-07 09:31:56" ["currency"]=> string(3) "RUB" ["buy"]=> float(206) ["sell"]=> float(226) ["create_time"]=> string(19) "2025-07-07 18:00:02" ["bStatus"]=> int(0) ["sStatus"]=> int(-1) ["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)#248 (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) "2025-07-07 09:31:56" ["currency"]=> string(3) "GBP" ["buy"]=> float(22803) ["sell"]=> float(23497) ["create_time"]=> string(19) "2025-07-07 18:00:02" ["bStatus"]=> int(0) ["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" } }