/**
* The options array should contain an array of servers,
*
* The "server" option expects an array of servers, with each server being represented by an associative array. Each
* redis config must have either a "socket" or a "server" value, and optional "port" and "ttl" values (with the ttl
* representing server timeout, not cache expiration).
*
* The "database" option lets developers specific which specific database to use.
*
* The "password" option is used for clusters which required authentication.
*
* @param array $options
* @throws \RuntimeException
*/
public function setOptions(array $options = array())
{
if (!self::isAvailable()) {
throw new \RuntimeException('Unable to load Redis driver without PhpRedis extension.');
}
// Normalize Server Options
if (isset($options['servers'])) {
$unprocessedServers = is_array($options['servers']) ? $options['servers'] : array($options['servers']);
unset($options['servers']);
$servers = array();
foreach ($unprocessedServers as $server) {
$ttl = '.1';
if (isset($server['ttl'])) {
$ttl = $server['ttl'];
} elseif (isset($server[2])) {
$ttl = $server[2];
}
if (isset($server['socket'])) {
$servers[] = array('socket' => $server['socket'], 'ttl' => $ttl);
} else {
$host = '127.0.0.1';
if (isset($server['server'])) {
$host = $server['server'];
} elseif (isset($server[0])) {
$host = $server[0];
}
$port = '6379';
if (isset($server['port'])) {
$port = $server['port'];
} elseif (isset($server[1])) {
$port = $server[1];
}
$servers[] = array('server' => $host, 'port' => $port, 'ttl' => $ttl);
}
}
} else {
$servers = array(array('server' => '127.0.0.1', 'port' => '6379', 'ttl' => 0.1));
}
// Merge in default values.
$options = array_merge($this->defaultOptions, $options);
// this will have to be revisited to support multiple servers, using
// the RedisArray object. That object acts as a proxy object, meaning
// most of the class will be the same even after the changes.
if (count($servers) == 1) {
$server = $servers[0];
$redis = new \Redis();
if (isset($server['socket']) && $server['socket']) {
$redis->connect($server['socket']);
} else {
$port = isset($server['port']) ? $server['port'] : 6379;
$ttl = isset($server['ttl']) ? $server['ttl'] : 0.1;
$redis->connect($server['server'], $port, $ttl);
}
// auth - just password
if (isset($options['password'])) {
$redis->auth($options['password']);
}
$this->redis = $redis;
} else {
$redisArrayOptions = array();
foreach ($this->redisArrayOptionNames as $optionName) {
if (array_key_exists($optionName, $options)) {
$redisArrayOptions[$optionName] = $options[$optionName];
}
}
$serverArray = array();
foreach ($servers as $server) {
$serverString = $server['server'];
if (isset($server['port'])) {
$serverString .= ':' . $server['port'];
}
$serverArray[] = $serverString;
}
$redis = new \RedisArray($serverArray, $redisArrayOptions);
}
// select database
if (isset($options['database'])) {
$redis->select($options['database']);
}
$this->redis = $redis;
}
