https://api.drupal.org/api/drupal/core%21modules%21system%21tests%21modules%21batch_test%21src%21Form%21BatchTestChainedForm.php/function/BatchTestChainedForm%3A%3AbuildForm/9
function BatchTestChainedForm::buildForm | Drupal API
functionbuildformdrupalapi
https://api.drupal.org/api/drupal/core%21modules%21system%21tests%21modules%21batch_test%21src%21Form%21BatchTestChainedForm.php/10
BatchTestChainedForm.php | Drupal API
phpdrupalapi