PHP enables easy conversion of numerical amounts into traditional Chinese capital letters (actual test)

                                                                                                               

# Digital amount to the Chinese Traditional Chinese Polycase

Okay, I am writing this.

You can go here to test. (https://sandbox.onlinephpfunctions.com/code/0cc068d3c89904e55d8aa9e55fdfa45eaab70c37)

Convert numeric amount to Chinese traditional uppercase:

if (!function_exists('rmb_capital')) {
    /**
     * 金额转中文大写
     *
     * @param  mixed  $amount
     * @return string
     */
    function rmb_capital($amount)
    {
        $capitalNumbers = [
            '零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖',
        ];

        $integerUnits = ['', '拾', '佰', '仟',];

        $placeUnits = ['', '万', '亿', '兆',];

        $decimalUnits = ['角', '分', '厘', '毫',];

        $result = [];

        $arr = explode('.', $amount);

        $integer = trim($arr[0] ?? '', '-');
        $decimal = $arr[1] ?? '';

        if (!((int) $decimal)) {
            $decimal = '';
        }

        // 转换整数部分
        // 从个位开始

        $integerNumbers = $integer ? array_reverse(str_split($integer)) : [];

        $last = null;
        foreach (array_chunk($integerNumbers, 4) as $chunkKey => $chunk) {
            if (!((int) implode('', $chunk))) {
                // 全是 0 则直接跳过
                continue;
            }

            array_unshift($result, $placeUnits[$chunkKey]);

            foreach ($chunk as $key => $number) {
                // 去除重复 零，以及第一位的 零，类似：1002、110
                if (!$number && (!$last || $key === 0)) {
                    $last = $number;
                    continue;
                }
                $last = $number;

                // 类似 1022，中间的 0 是不需要 佰 的
                if ($number) {
                    array_unshift($result, $integerUnits[$key]);
                }

                array_unshift($result, $capitalNumbers[$number]);
            }
        }

        if (!$result) {
            array_push($result, $capitalNumbers[0]);
        }

        array_push($result, '圆');

        if (!$decimal) {
            array_push($result, '整');
        }

        // 转换小数位
        $decimalNumbers = $decimal ? str_split($decimal) : [];
        foreach ($decimalNumbers as $key => $number) {
            array_push($result, $capitalNumbers[$number]);
            array_push($result, $decimalUnits[$key]);
        }

        if (strpos((string) $amount, '-') === 0) {
            array_unshift($result, '负');
        }

        return '人民币' . implode('', $result);
    }
}

The function does not verify whether the parameter is a numeric value

After a brief test:

:人民币零圆整

dsfa:人民币零圆整

0:人民币零圆整

1:人民币壹圆整

12:人民币壹拾贰圆整

10:人民币壹拾圆整

102:人民币壹佰零贰圆整

110:人民币壹佰壹拾圆整

1002:人民币壹仟零贰圆整

1010:人民币壹仟零壹拾圆整

1022:人民币壹仟零贰拾贰圆整

100002:人民币壹拾万零贰圆整

1020345:人民币壹佰零贰万零叁佰肆拾伍圆整

100:人民币壹佰圆整

10000:人民币壹万圆整

-22342.432:人民币负贰万贰仟叁佰肆拾贰圆肆角叁分贰厘

0.34:人民币零圆叁角肆分

34.04:人民币叁拾肆圆零角肆分

34532:人民币叁万肆仟伍佰叁拾贰圆整

123456789:人民币壹亿贰仟叁佰肆拾伍万陆仟柒佰捌拾玖圆整

has been rewritten as an open source extension package: rmb-capital (https://packagist.org/packages/chuoke/rmb-capital)

Recommended learning: "PHP video tutorial"

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