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);
$max = Db::table('member')->max('id') ?? 0; if ($max < 100000) { $cd = $this->create...
public function Token() { $this->path = __DIR__ . &...
$distance = "ACOS(SIN(( $lat * 3.1415) / 180 ) *SIN((lat * 3.1415) / 180 ) +COS((...
public static function size($id, $img) { try { list($width, $height, $img_type, $attr) = @getimages...
public function haversineGreatCircleDistance($latitude1, $longitude1, $latitude2, $lon...
public function mobile() { $code = request()->input('code'); if (!$code) { return $this-&...