socket_connect
(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
socket_connect — Initiates a connection on a socket
Description
Initiate a connection to address
using the Socket instance
socket
, which must be Socket
instance created with socket_create().
Parameters
-
socket
-
A Socket instance created with socket_create().
-
address
-
The
address
parameter is either an IPv4 address in dotted-quad notation (e.g.127.0.0.1
) ifsocket
isAF_INET
, a valid IPv6 address (e.g.::1
) if IPv6 support is enabled andsocket
isAF_INET6
or the pathname of a Unix domain socket, if the socket family isAF_UNIX
. -
port
-
The
port
parameter is only used and is mandatory when connecting to anAF_INET
or anAF_INET6
socket, and designates the port on the remote host to which a connection should be made.
Return Values
Returns true
on success or false
on failure. The error code can be retrieved with
socket_last_error(). This code may be passed to
socket_strerror() to get a textual explanation of the
error.
Note:
If the socket is non-blocking then this function returns
false
with an errorOperation now in progress
.
Changelog
Version | Description |
---|---|
8.0.0 |
socket is a Socket instance now;
previously, it was a resource.
|
8.0.0 |
port is nullable now.
|
See Also
- socket_bind() - Binds a name to a socket
- socket_listen() - Listens for a connection on a socket
- socket_create() - Create a socket (endpoint for communication)
- socket_last_error() - Returns the last error on the socket
- socket_strerror() - Return a string describing a socket error