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 function getcode(){ do { $code = rand(10000000, 99999...
使用 gc_collect_cycles() 强制进行垃圾回收 PHP 的垃圾回收机制会自动释放不再使用的变量所占用的内存。然而,在某些情况下,尤其是在长时间运行的脚本(如 CLI...
public function __construct() { $action = request()->rout...
use Illuminate\Support\Facades\Redis; use Illuminate\Support\Facades\Cache; $lock = Ca...
public function qrcode($uid){ require_once base_path() . '/public/phpqrcode/phpqrco...
<video class="html5-video" poster=...