Caching and Cell caching
You can enable cell caching inside the config
excel.php. You can choose between a couple of drivers and change a couple of settings. By default the caching is enabled and will use in memory caching.
If you want to remember the results you can use
->remember($minutes). Next time you will load the same file (if it's still inside the cache), it will return the cached results.
// Remember for 10 minutes $results = $reader->remember(10)->get();