The deployment's own environment, as PHP sees it: DRUPAL_ENV_<NAME> becomes getenv('<NAME>'),
$_ENV and $_SERVER; DRUPAL_CONFIG is a JSON object merged over $config and
DRUPAL_SETTINGS one merged over $settings.
An unprefixed name is never read: the owner token, PW_DIAGNOSTICS, mail credentials and API
tokens share the same env, and customer PHP must not reach them.
The deployment's own environment, as PHP sees it:
DRUPAL_ENV_<NAME>becomesgetenv('<NAME>'),$_ENVand$_SERVER;DRUPAL_CONFIGis a JSON object merged over$configandDRUPAL_SETTINGSone merged over$settings.An unprefixed name is never read: the owner token,
PW_DIAGNOSTICS, mail credentials and API tokens share the sameenv, and customer PHP must not reach them.