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", $this->user_id) . mt_rand(1000, 9999);
相关文章
发送公众号信息
* 发送消息 */public function tosend($openid, $title, $content, $time, $aid){ $tokens = $thi...
两个经纬度之间的距离
public function haversineGreatCircleDistance($latitude1, $longitude1, $latitude2, $lon...
解密微信绑定的手机号
public function mobile() { $code = request()->input('code'); if (!$code) { return $this-&...
按照距离远近排序
$distance = "ACOS(SIN(( $lat * 3.1415) / 180 ) *SIN((lat * 3.1415) / 180 ) +COS((...
微信支付V3
public static function pay($order_sn = '11111', $money = '12', $uid = 7) ...
laravel 加cache锁
use Illuminate\Support\Facades\Redis; use Illuminate\Support\Facades\Cache; $lock = Ca...