php man page for socket_connect

SOCKET_CONNECT(3)							 1							 SOCKET_CONNECT(3)

socket_connect - Initiates a connection on a socket

SYNOPSIS
       bool socket_connect (resource  $socket, string  $address, [int  $port])

DESCRIPTION
	Initiate a connection to $address using the socket resource $socket, which must be a valid socket resource created with socket_create(3).

PARAMETERS
	      o $socket
		-

	      o $address
		-  The	$address parameter is either an IPv4 address in dotted-quad notation (e.g.  127.0.0.1) if $socket is AF_INET, a valid IPv6
		address (e.g.  ::1) if IPv6 support is enabled and $socket is AF_INET6 or the pathname of a Unix domain socket, if the socket fam-
		ily is AF_UNIX.

	      o $port
		-  The	$port parameter is only used and is mandatory when connecting to an AF_INET or an AF_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(3).  This  code  may  be	passed	to
       socket_strerror(3) to get a textual explanation of the error.

       Note

	       If the socket is non-blocking then this function returns FALSE with an error Operation now in progress.

SEE ALSO
       socket_bind(3), socket_listen(3), socket_create(3), socket_last_error(3), socket_strerror(3).

PHP Documentation Group 													 SOCKET_CONNECT(3)