PHP Manual
Function Reference
Other Basic Extensions
Swoole
Swoole\WebSocket\Server
Swoole\WebSocket\Server::exist
Swoole\WebSocket\Server::on
Swoole\WebSocket\Server::pack
Swoole\WebSocket\Server::push
Swoole\WebSocket\Server::unpack
Swoole\WebSocket\Server
Swoole\WebSocket\Server::on
Swoole\WebSocket\Server
PHP Manual
Swoole\WebSocket\Server::exist
Check if the file descriptor exists.
Description
public
bool
Swoole\WebSocket\Server::exist
(
int
$fd
)
Parameters
fd
Return Values