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https://gitee.com/technical-laohu/mpay_v2_webman.git
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1. 维护代码健壮
2. 更新项目结构文档
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技术老胡
214
app/service/payment/transfer/TransferService.php
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214
app/service/payment/transfer/TransferService.php
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<?php
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namespace app\service\payment\transfer;
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use app\common\base\BaseService;
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use app\common\constant\TransferConstant;
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use app\exception\ConflictException;
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use app\exception\ResourceNotFoundException;
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use app\exception\ValidationException;
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use app\model\merchant\Merchant;
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use app\model\payment\TransferOrder;
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use app\repository\account\balance\MerchantAccountRepository;
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use app\repository\payment\trade\TransferOrderRepository;
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/**
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* 转账服务。
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*/
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class TransferService extends BaseService
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{
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public function __construct(
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protected MerchantAccountRepository $merchantAccountRepository,
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protected TransferOrderRepository $transferOrderRepository
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) {
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}
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/**
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* 创建转账单。
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*
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* @param Merchant $merchant 商户
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* @param array $input 请求参数
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* @return array<string, mixed>
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*/
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public function submit(Merchant $merchant, array $input): array
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{
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$type = trim((string) ($input['type'] ?? ''));
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$account = trim((string) ($input['account'] ?? ''));
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$name = trim((string) ($input['name'] ?? ''));
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$money = trim((string) ($input['money'] ?? ''));
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$amount = $this->parseMoneyToAmount($money);
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if ($type === '') {
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throw new ValidationException('type 不能为空');
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}
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if ($account === '' || $name === '') {
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throw new ValidationException('account/name 不能为空');
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}
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if ($amount <= 0) {
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throw new ValidationException('money 参数不合法');
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}
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$merchantId = (int) $merchant->id;
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$outBizNo = trim((string) ($input['out_biz_no'] ?? ''));
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if ($outBizNo !== '') {
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$existing = $this->transferOrderRepository->findByOutBizNo($merchantId, $outBizNo);
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if ($existing) {
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if ((int) $existing->amount !== $amount) {
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throw new ConflictException('幂等冲突', [
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'biz_no' => (string) $existing->biz_no,
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'out_biz_no' => $outBizNo,
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]);
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}
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return $this->formatTransferOrder($existing);
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}
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}
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$transferRate = $this->resolveTransferRate();
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$costAmount = (int) floor($amount * $transferRate);
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$bizNo = $this->generateNo('TRF');
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$traceNo = $this->generateNo('TRC');
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/** @var TransferOrder $transferOrder */
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$transferOrder = $this->transferOrderRepository->create([
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'biz_no' => $bizNo,
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'trace_no' => $traceNo,
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'merchant_id' => $merchantId,
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'merchant_group_id' => (int) ($merchant->group_id ?? 0),
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'out_biz_no' => $outBizNo !== '' ? $outBizNo : $this->generateNo('OBN'),
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'type' => $type,
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'account' => $account,
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'name' => $name,
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'amount' => $amount,
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'cost_amount' => $costAmount,
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'remark' => (string) ($input['remark'] ?? ''),
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'bookid' => (string) ($input['bookid'] ?? ''),
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'channel_id' => (int) ($input['channel_id'] ?? 0),
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'channel_request_no' => $this->generateNo('TRQ'),
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'status' => TransferConstant::TRANSFER_STATUS_PENDING,
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'request_at' => $this->now(),
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'ext_json' => (array) ($input['ext_json'] ?? []),
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]);
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return $this->formatTransferOrder($transferOrder);
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}
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/**
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* 查询转账单。
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*
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* @param Merchant $merchant 商户
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* @param array $input 请求参数
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* @return array<string, mixed>
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*/
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public function query(Merchant $merchant, array $input): array
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{
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$order = $this->resolveTransferOrder($merchant, $input);
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return $this->formatTransferOrder($order);
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}
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/**
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* 查询转账余额。
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*
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* @param Merchant $merchant 商户
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* @return array<string, mixed>
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*/
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public function balance(Merchant $merchant): array
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{
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$account = $this->merchantAccountRepository->findByMerchantId((int) $merchant->id);
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return [
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'available_money' => $this->formatAmount((int) ($account->available_balance ?? 0)),
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'transfer_rate' => number_format($this->resolveTransferRate(), 2, '.', ''),
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];
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}
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/**
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* 解析转账单。
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*
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* @param Merchant $merchant 商户
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* @param array $input 请求参数
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* @return TransferOrder
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*/
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private function resolveTransferOrder(Merchant $merchant, array $input): TransferOrder
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{
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$merchantId = (int) $merchant->id;
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$bizNo = trim((string) ($input['biz_no'] ?? ''));
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$outBizNo = trim((string) ($input['out_biz_no'] ?? ''));
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if ($bizNo !== '') {
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$order = $this->transferOrderRepository->findByBizNo($bizNo);
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if (!$order || (int) $order->merchant_id !== $merchantId) {
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throw new ResourceNotFoundException('转账单不存在', ['biz_no' => $bizNo]);
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}
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return $order;
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}
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if ($outBizNo !== '') {
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$order = $this->transferOrderRepository->findByOutBizNo($merchantId, $outBizNo);
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if (!$order) {
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throw new ResourceNotFoundException('转账单不存在', ['out_biz_no' => $outBizNo]);
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}
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return $order;
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}
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throw new ValidationException('biz_no/out_biz_no 不能为空');
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}
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/**
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* 格式化转账单。
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*
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* @param TransferOrder $order 转账单
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* @return array<string, mixed>
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*/
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private function formatTransferOrder(TransferOrder $order): array
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{
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return [
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'status' => (int) $order->status,
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'errmsg' => (string) ($order->channel_error_msg ?? ''),
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'biz_no' => (string) $order->biz_no,
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'out_biz_no' => (string) $order->out_biz_no,
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'orderid' => (string) $order->biz_no,
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'paydate' => $this->formatDateTime($order->succeeded_at ?? null, ''),
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'amount' => $this->formatAmount((int) $order->amount),
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'cost_money' => $this->formatAmount((int) $order->cost_amount),
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'remark' => (string) $order->remark,
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];
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}
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/**
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* 解析转账费率。
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*
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* @return float
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*/
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private function resolveTransferRate(): float
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{
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$rate = (string) config('epay.v2.transfer_rate', '0.01');
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$rate = trim($rate);
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if ($rate === '' || !is_numeric($rate)) {
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return 0.01;
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}
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$floatRate = (float) $rate;
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return $floatRate > 0 ? $floatRate : 0.01;
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}
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/**
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* 金额字符串转分。
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*
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* @param string $money 金额字符串
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* @return int
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*/
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private function parseMoneyToAmount(string $money): int
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{
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$money = trim($money);
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if ($money === '' || !preg_match('/^\d+(?:\.\d{1,2})?$/', $money)) {
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return 0;
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}
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[$integer, $fraction] = array_pad(explode('.', $money, 2), 2, '');
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$fraction = str_pad($fraction, 2, '0');
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return ((int) $integer) * 100 + (int) substr($fraction, 0, 2);
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}
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}
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