thinkphp 格式化金钱

<?php
namespace app\index\controller;

use think\Controller;

class Index extends Controller
{
    public function index()
    {
        $amount = 1234567.89;
        $formattedAmount = number_format($amount, 2, '.', ',');
        echo $formattedAmount; // 输出: 1,234,567.89
    }
}

<?php
namespace app\index\controller;

use think\Controller;

class Index extends Controller
{
    public function index()
    {
        $amount = 1234567.89;
        $formattedAmount = $this->formatMoney($amount);
        echo $formattedAmount; // 输出: ￥1,234,567.89
    }

    protected function formatMoney($amount)
    {
        return '￥' . number_format($amount, 2, '.', ',');
    }
}

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

$amount = -1234567.89;
$sign = $amount < 0 ? '-' : '';
$formattedAmount = $sign . '￥' . number_format(abs($amount), 2, '.', ',');
echo $formattedAmount; // 输出: -￥1,234,567.89