bigregistry_unset

bool bigregistry_unset(string $rejestr)

Deletes the registry named $rejestr. Returns true if the registry existed and was deleted successfully, or false if it did not exist or could not be deleted.

$unset = bigregistry_unset("registry name");

if ($unset == true) {
  print('The registry has been deleted');
} elseif ($unset == false) {
  print('Something went wrong');
}

Result:

The registry has been deleted