php 货币格式化

$amount = 1234567.89;
$formattedAmount = number_format($amount, 2, '.', ',');
echo $formattedAmount; // 输出: 1,234,567.89

$amount = 1234567.89;
$locale = 'en_US'; // 可以根据需要更改地区
$formatter = new IntlNumberFormat($locale, [
    'style' => 'currency',
    'currency' => 'USD'
]);
$formattedAmount = $formatter->format($amount);
echo $formattedAmount; // 输出: $1,234,567.89

setlocale(LC_MONETARY, 'en_US'); // 设置地区
$amount = 1234567.89;
$formattedAmount = money_format('%i', $amount);
echo $formattedAmount; // 输出: $1,234,567.89

$amount = 1234567.89;
$currencies = ['USD', 'EUR', 'JPY'];
foreach ($currencies as $currency) {
    $formatter = new IntlNumberFormat('en_US', [
        'style' => 'currency',
        'currency' => $currency
    ]);
    echo $formatter->format($amount) . "\n";
}
// 输出:
// $1,234,567.89
// €1,234,567.89
// ¥1,234,567