/**
* @param array|\ArrayAccess|MemcachedSource $resource
* @throws \Cache\Exception\InvalidArgumentException
* @return Memcached
*/
public function setResource($resource)
{
if ($resource instanceof MemcachedSource) {
if (!$resource->getVersion()) {
throw new Exception\InvalidArgumentException('Invalid memcached resource');
}
$this->resource = $resource;
return $this;
}
if (is_string($resource)) {
$resource = array($resource);
}
if (!is_array($resource) && !$resource instanceof \ArrayAccess) {
throw new Exception\InvalidArgumentException(sprintf('%s: expects an string, array, or Traversable argument; received "%s"', __METHOD__, is_object($resource) ? get_class($resource) : gettype($resource)));
}
$host = $port = $weight = $persistent_id = null;
// array(<host>[, <port>[, <weight> [,<persistent_id>]]])
if (isset($resource[0])) {
$host = (string) $resource[0];
if (isset($resource[1])) {
$port = (int) $resource[1];
}
if (isset($resource[2])) {
$weight = (string) $resource[2];
}
if (isset($resource[3])) {
$persistent_id = (string) $resource[3];
}
} elseif (isset($resource['host'])) {
$host = (string) $resource['host'];
if (isset($resource['port'])) {
$port = (int) $resource['port'];
}
if (isset($resource['weight'])) {
$weight = (int) $resource['weight'];
}
if (isset($resource['persistent_id'])) {
$persistent_id = (string) $resource['persistent_id'];
}
}
if (!$host) {
throw new Exception\InvalidArgumentException('Invalid memcached resource, option "host" must be given');
}
$this->resource = array('host' => $host, 'port' => $port, 'weight' => $weight, 'persistent_id' => $persistent_id);
}