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socket_set_option

socket_set_option

Sets socket options for the socket

bool **socket_set_option** Socket $socket int $level int $option  $value

The function sets the option specified by the parameter, at the specified protocol , to the value pointed to by the parameter for the . socket_set_option``option``level``value``socket

socket A instance created with or . Socket``socket_create``socket_accept

level The parameter specifies the protocol level at which the option resides. For example, to set options at the socket level, a parameter of 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 function. level``level``SOL_SOCKET``getprotobyname

option The available socket options are the same as those for the function. socket_get_option

valueThe option value.

return.success

Voorbeeld: example

<?php
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);

if (!is_resource($socket)) {
    echo 'Unable to create socket: '. socket_strerror(socket_last_error()) . PHP_EOL;
}

if (!socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1)) {
    echo 'Unable to set option on socket: '. socket_strerror(socket_last_error()) . PHP_EOL;
}

if (!socket_bind($socket, '127.0.0.1', 1223)) {
    echo 'Unable to bind socket: '. socket_strerror(socket_last_error()) . PHP_EOL;
}

$rval = socket_get_option($socket, SOL_SOCKET, SO_REUSEADDR);

if ($rval === false) {
    echo 'Unable to get socket option: '. socket_strerror(socket_last_error()) . PHP_EOL;
} else if ($rval !== 0) {
    echo 'SO_REUSEADDR is set on socket !' . PHP_EOL;
}
?>

socket_create``socket_bind``socket_strerror``socket_last_error``socket_get_option

Vorige ← socket_set_nonblock Volgende socket_setopt →

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