Laravel - copy char_36 column to binary_16 column

laravel_convert_char_36_uuid_to_binary_16

// For use with dyrynda/laravel-efficient-uuid && dyrynda/laravel-model-uuid
// Can be used for other Laravel conversions as well...
// Assumes you rename the uuid CHAR(36) column to uuid_save and add a uuid BINARY(16) column before running this via artisan tinker
// Replace App\Model with the appropriate model

$items = App\Model::all();

foreach ($items as $item) {
  if (empty($item->uuid_save)) {
    echo 'uuid_save is empty'.PHP_EOL;
    continue;
  }
  $uuid = Ramsey\Uuid\Uuid::fromString($item->uuid_save);
  echo $uuid->toString().' => '.$uuid->getBytes().PHP_EOL;
  $item->uuid = $uuid->getBytes();
  $item->save();
}