Swoole\Client::connect
(PECL swoole >= 1.9.0)
Swoole\Client::connect — Connect to the remote TCP or UDP port.
Description
public Swoole\Client::connect(
string
int
int
int
): bool
string
$host,int
$port = ?,int
$timeout = ?,int
$flag = ?): bool
Parameters
-
host -
The host name of the remote address.
-
port -
The port number of the remote address.
-
timeout -
The timeout(second) of connect/send/recv, the dafault value is 0.1s
-
flag -
If the type of client is UDP, the $flag means if to enable the configuration udp_connect. If the configuration udp_connect is enabled, the client will only receive the data from specified ip:port. If the type of client is TCP and the $flag is set to 1, it must use swoole_client_select to check the connection status before send/recv.
Return Values
Whether the connection is established.
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