php使用NumberFormatter格式化货币
$amount = '12345.67';
$formatter = new NumberFormatter('en_GB', NumberFormatter::CURRENCY);
echo 'UK: ' . $formatter->formatCurrency($amount, 'EUR') . PHP_EOL;
$formatter = new NumberFormatter('de_DE', NumberFormatter::CURRENCY);
echo 'DE: ' . $formatter->formatCurrency($amount, 'EUR') . PHP_EOL;
