EventUtil::setSocketOption
(PECL event >= 1.6.0)
EventUtil::setSocketOption — Sets socket options
说明
$socket
,
int $level
,
int $optname
,
mixed $optval
) :
bool
Sets socket options.
参数
-
socket
-
Socket resource, stream, or numeric file descriptor associated with the socket.
-
level
-
One of EventUtil::SOL_* constants. Specifies the protocol level at which the option resides. For example, to retrieve options at the socket level, a
level
parameter ofEventUtil::SOL_SOCKET
would be used. Other levels, such as TCP, can be used by specifying the protocol number of that level. Protocol numbers can be found by using the getprotobyname() function. See EventUtil constants . -
optname
-
Option name(type). Has the same meaning as corresponding parameter of socket_get_option() function. See EventUtil constants .
-
optval
-
Accepts the same values as
optval
parameter of the socket_get_option() function.
返回值
Returns TRUE
on success. Otherwise FALSE
.
参见
- socket_get_option() - Gets socket options for the socket
- socket_set_option() - Sets socket options for the socket