生成唯一的订单号
public function get_order_sn()
{
return date('Ymd') . substr(implode(NULL, array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8);
}
$orderid = date("Ymdhis") . sprintf("%08d", $this->user_id) . mt_rand(1000, 9999);
public function get_order_sn()
{
return date('Ymd') . substr(implode(NULL, array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8);
}
$orderid = date("Ymdhis") . sprintf("%08d", $this->user_id) . mt_rand(1000, 9999);
public static function size($id, $img) { try { list($width, $height, $img_type, $attr) = @getimages...
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/** * 微信 退款 操作 */ public function refund($out_trade_no, $refund_money) { $time = time();...
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