socket_create_listen
(PHP 4 >= 4.1.0, PHP 5, PHP 7)
socket_create_listen — Opens a socket on port to accept connections
说明
$port
[, int $backlog = 128
] ) : resource
socket_create_listen() creates a new socket resource of
type AF_INET listening on all
local interfaces on the given port waiting for new connections.
This function is meant to ease the task of creating a new socket which only listens to accept new connections.
参数
-
port -
The port on which to listen on all interfaces.
-
backlog -
The
backlogparameter defines the maximum length the queue of pending connections may grow to.SOMAXCONNmay be passed asbacklogparameter, see socket_listen() for more information.
返回值
socket_create_listen() returns a new socket resource
on success or FALSE on error. 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.
注释
Note:
If you want to create a socket which only listens on a certain interface you need to use socket_create(), socket_bind() and socket_listen().
参见
- socket_create() - 创建一个套接字（通讯节点）
- socket_create_pair() - Creates a pair of indistinguishable sockets and stores them in an array
- socket_bind() - 给套接字绑定名字
- socket_listen() - Listens for a connection on a socket
- socket_last_error() - Returns the last error on the socket
- socket_strerror() - Return a string describing a socket error