Submitted by karthikkumardk on Thursday, 25 July 2019 - 15:29:44 IST
file_scan_directory is deprecated and has been moved to the file_system service.
Before:
$files = file_scan_directory($directory);
After
if (is_dir($directory)) {
$files = \Drupal::service('file_system')->scanDirectory($directory);
}
When possible, you should inject the FileSystemInterface into your constructor.
Original source - https://www.drupal.org/node/3038437