Cache
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By default the library will search your network for speakers each time your script runs.
This search can take a couple of seconds, so you may want to use a CachedCollection to avoid doing the search every time.
The caching is handled by PSR-16, you’ll need to install an implementation using composer.
# First create a device collection that auto discovers devices from the network
$collection = new Discovery();
# Get your PSR-16 implementation
$cache = new \Symfony\Component\Cache\Simple\FilesystemCache;
# Create a cached collection that wraps our auto discovery one.
$collection = new CachedCollection($collection, $cache);
# Finally create your network instance using the cached collection
$sonos = new Network($collection);
This will speed up your scripts, but it can also cause problems if you add/remove devices from your network.