| public executeCommand ( string $name, array $params = [] ) : array | boolean | null | string | ||
| $name | string | the name of the command |
| $params | array | list of parameters for the command |
| Результат | array | boolean | null | string | Dependent on the executed command this method will return different data types: - `true` for commands that return "status reply" with the message `'OK'` or `'PONG'`. - `string` for commands that return "status reply" that does not have the message `OK` (since version 2.0.1). - `string` for commands that return "integer reply" as the value is in the range of a signed 64 bit integer. - `string` or `null` for commands that return "bulk reply". - `array` for commands that return "Multi-bulk replies". See [redis protocol description](http://redis.io/topics/protocol) for details on the mentioned reply types. |
public function executeCommand($name, $params = [])
{
$this->open();
array_unshift($params, $name);
$command = '*' . count($params) . "\r\n";
foreach ($params as $arg) {
$command .= '$' . mb_strlen($arg, '8bit') . "\r\n" . $arg . "\r\n";
}
\Yii::trace("Executing Redis Command: {$name}", __METHOD__);
fwrite($this->_socket, $command);
return $this->parseResponse(implode(' ', $params));
} /**
* @return mixed
* @throws InvalidConfigException
*/
public function configGetDatabases()
{
try {
if ($this->_connect instanceof PhpredisConnection) {
return $this->_connect->executeCommand('CONFIG', ['GET', 'databases'])['databases'];
} else {
return $this->_connect->executeCommand('CONFIG', ['GET', 'databases'])[1];
}
} catch (\Exception $e) {
throw new InvalidConfigException('Can`t connect to redis database, please check module and redis-connection settings!!!!');
}
}
