PHP code example of bentools / currency

1. Go to this page and download the library: Download bentools/currency library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

bentools / currency example snippets


use BenTools\Currency\Converter\CurrencyConverter;
use BenTools\Currency\Model\Currency;
use BenTools\Currency\Provider\EuropeanCentralBankProvider;
use DateTime;

$eur = new Currency('EUR');
$usd = new Currency('USD');

$exchangeRateProvider = new EuropeanCentralBankProvider();
$exchangeRate = $exchangeRateProvider->getExchangeRate($eur, $usd, new DateTime('yesterday'));

$currencyConverter = new CurrencyConverter($exchangeRate);
var_dump($currencyConverter->convert(299, $usd, $eur)); // float(242.67510753997)
var_dump($currencyConverter->convert(10.99, $eur, $usd)); // float(13.540779)


use BenTools\Currency\Model\Currency;
use BenTools\Currency\Provider\ChainedExchangeRateProvider;
use BenTools\Currency\Provider\CurrencyLayerProvider;
use BenTools\Currency\Provider\EuropeanCentralBankProvider;
use BenTools\Currency\Provider\FixerIOProvider;
use BenTools\Currency\Provider\OpenExchangeRatesProvider;

$eur = new Currency('EUR');
$usd = new Currency('USD');

$providers = [
    new EuropeanCentralBankProvider(),
    new OpenExchangeRatesProvider($openExchangeApiKey),
    new FixerIOProvider($fixerIoApiKey),
    new CurrencyLayerProvider($currencyLayerApiKey),
];

$exchangeRateProvider = new ChainedExchangeRateProvider($providers);
$exchangeRateProvider->getExchangeRate($eur, $usd);


use BenTools\Currency\Model\Currency;
use BenTools\Currency\Provider\AverageExchangeRateProvider;
use BenTools\Currency\Provider\CurrencyLayerProvider;
use BenTools\Currency\Provider\EuropeanCentralBankProvider;
use BenTools\Currency\Provider\FixerIOProvider;
use BenTools\Currency\Provider\OpenExchangeRatesProvider;
use DateTimeImmutable;

$eur = new Currency('EUR');
$usd = new Currency('USD');

$providers = [
    new EuropeanCentralBankProvider(),
    new OpenExchangeRatesProvider($openExchangeApiKey),
    new FixerIOProvider($fixerIoApiKey),
    new CurrencyLayerProvider($currencyLayerApiKey),
];

$tolerance = 0.005;
$exchangeRateProvider = AverageExchangeRateProvider::create($tolerance)->withProviders(...$providers);

$exchangeRateProvider->getExchangeRate($eur, $usd, new DateTimeImmutable('2018-03-29'))->getRatio();


use BenTools\Currency\Model\Currency;
use BenTools\Currency\Provider\EuropeanCentralBankProvider;
use BenTools\Currency\Provider\PSR16CacheProvider;
use Redis;
use Symfony\Component\Cache\Simple\RedisCache;

$eur = new Currency('EUR');
$usd = new Currency('USD');

$redis = new Redis();
$redis->connect('localhost');
$ttl = 3600;
$provider = new PSR16CacheProvider(
    new EuropeanCentralBankProvider(), 
    new RedisCache($redis, 'currencies', $ttl)
);

$exchangeRate = $provider->getExchangeRate($eur, $usd);


use App\Entity\ExchangeRate;
use BenTools\Currency\Model\Currency;
use BenTools\Currency\Provider\DoctrineORMProvider;
use DateTimeImmutable;

$eur = new Currency('EUR');
$usd = new Currency('USD');

$exchangeRateProvider = new DoctrineORMProvider($doctrine, ExchangeRate::class);
$exchangeRateProvider->getExchangeRate($eur, $usd, new DateTimeImmutable('2018-03-29'))->getRatio();


$float = 0.1234567890123456789;
$factorA = 1000;
$factorB = 10000;

var_dump(($float * $factorA / $factorA) === $float); // true
var_dump(($float * $factorB / $factorB) === $float); // false

$integer = 1000000000000;
$factorA = 1000000;
$factorB = 10000000;
var_dump($integer * $factorA === (int) (float) ($integer * $factorA)); // true
var_dump($integer * $factorB === (int) (float) ($integer * $factorB)); // false