Viewing file:  BitcoinMoneyParser.php (2.29 KB) -rwxrwxrwx
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<?php
namespace Money\Parser;
use Money\Currencies\BitcoinCurrencies;
use Money\Currency;
use Money\Exception\ParserException;
use Money\Money;
use Money\MoneyParser;
/**
* Parses Bitcoin currency to Money.
*
* @author Frederik Bosch <f.bosch@genkgo.nl>
*/
final class BitcoinMoneyParser implements MoneyParser
{
/**
* @var int
*/
private $fractionDigits;
/**
* @param int $fractionDigits
*/
public function __construct($fractionDigits)
{
$this->fractionDigits = $fractionDigits;
}
/**
* {@inheritdoc}
*/
public function parse($money, $forceCurrency = null)
{
if (is_string($money) === false) {
throw new ParserException('Formatted raw money should be string, e.g. $1.00');
}
if (strpos($money, BitcoinCurrencies::SYMBOL) === false) {
throw new ParserException('Value cannot be parsed as Bitcoin');
}
if ($forceCurrency === null) {
$forceCurrency = new Currency(BitcoinCurrencies::CODE);
}
/*
* This conversion is only required whilst currency can be either a string or a
* Currency object.
*/
$currency = $forceCurrency;
if (!$currency instanceof Currency) {
@trigger_error('Passing a currency as string is deprecated since 3.1 and will be removed in 4.0. Please pass a '.Currency::class.' instance instead.', E_USER_DEPRECATED);
$currency = new Currency($currency);
}
$decimal = str_replace(BitcoinCurrencies::SYMBOL, '', $money);
$decimalSeparator = strpos($decimal, '.');
if (false !== $decimalSeparator) {
$decimal = rtrim($decimal, '0');
$lengthDecimal = strlen($decimal);
$decimal = str_replace('.', '', $decimal);
$decimal .= str_pad('', ($lengthDecimal - $decimalSeparator - $this->fractionDigits - 1) * -1, '0');
} else {
$decimal .= str_pad('', $this->fractionDigits, '0');
}
if (substr($decimal, 0, 1) === '-') {
$decimal = '-'.ltrim(substr($decimal, 1), '0');
} else {
$decimal = ltrim($decimal, '0');
}
if ('' === $decimal) {
$decimal = '0';
}
return new Money($decimal, $currency);
}
}
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