I'm getting these warnings when running drush commands:
Use of undefined constant DRUSH_BOOTSTRAP_BACKDROP_CONFIGURATION - assumed 'DRUSH_BOOTSTRAP_BACKDROP_CONFIGURATION' (this will throw an Error in a future version of PHP) backdrop_core.drush.inc:270
Use of undefined constant DRUSH_BOOTSTRAP_BACKDROP_FULL - assumed 'DRUSH_BOOTSTRAP_BACKDROP_FULL' (this will throw an Error in a future version of PHP) backdrop_core.drush.inc:272
Use of undefined constant DRUSH_BOOTSTRAP_BACKDROP_LOGIN - assumed 'DRUSH_BOOTSTRAP_BACKDROP_LOGIN' (this will throw an Error in a future version of PHP) backdrop_core.drush.inc:274
I'm getting these warnings when running drush commands:
I believe this is PHP v7 related, and that the fix is just to put those constants in quotes: https://www.php.net/manual/en/migration72.deprecated.php#migration72.deprecated.unquoted-strings