The Playback API request failed for an unknown reason Error Code: VIDEO_CLOUD_ERR_UNKNOWN Session ID: 2025-05-24:9f89a23c15ca7dee6fdf4dca Player Element ID: vjs_video_3 OK Close Modal Dialog WE HAVE LAUNCHED "LU
class BankAccount { public $balance = 1000; } $bankAccount = new BankAccount(); // Buy shoes... $bankAccount->balance -= 100;好:class BankAccount { private $balance; public function __construct(int $balance = 1000) { $this->balance = $balance; } public function withdraw(int $...