(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)
Swoole\Redis\Server::setHandler — Description
$command
, string $callback
[, string $number_of_string_param
[, string $type_of_array_param
]] ) : ReturnType
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command
callback
number_of_string_param
type_of_array_param