= 1.9.0)Swoole\WebSocket\Server::exist — Check if the file descriptor exists.說明public Swoole\WebSocket\Ser">
? Swoole\WebSocket\Server
Swoole\WebSocket\Server::on ?
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Swoole\WebSocket\Server
Check if the file descriptor exists.
Swoole\WebSocket\Server::exist
(PECL swoole >= 1.9.0)
Swoole\WebSocket\Server::exist
—
Check if the file descriptor exists.
說明
public
Swoole\WebSocket\Server::exist
(
int
$fd
):
bool
參數(shù)
fd
返回值