(PECL event >= 1.6.0)
EventUtil::setSocketOption — Sets socket options
public static EventUtil::setSocketOption ( mixed $socket , int $level , int $optname , mixed $optval ) : bool
Sets socket options.
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 of EventUtil::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.
Returns true
on success. Otherwise false
.
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https://www.php.net/manual/en/eventutil.setsocketoption.php