install_get_form($form_id, array &$install_state)
Builds and processes a form for the installer environment.
Ensures that FormBuilder does not redirect after submitting a form, since the installer uses a custom step/flow logic via install_run_tasks().
Parameters
string|array $form_id: The form ID to build and process.
array $install_state: The current state of the installation.
Return value
array|null A render array containing the form to render, or NULL in case the form was successfully submitted.
Throws
\Drupal\Core\Installer\Exception\InstallerException
File
- core/includes/install.core.inc, line 884
- API functions for installing Drupal.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | function install_get_form($form_id, array &$install_state) { // Ensure the form will not redirect, since install_run_tasks() uses a custom // redirection logic. $form_state = (new FormState()) ->addBuildInfo('args', [&$install_state]) ->disableRedirect(); $form_builder = \Drupal::formBuilder(); if ($install_state['interactive']) { $form = $form_builder->buildForm($form_id, $form_state); // If the form submission was not successful, the form needs to be rendered, // which means the task is not complete yet. if (!$form_state->isExecuted()) { $install_state['task_not_complete'] = TRUE; return $form; } } else { // For non-interactive installs, submit the form programmatically with the // values taken from the installation state. $install_form_id = $form_builder->getFormId($form_id, $form_state); if (!empty($install_state['forms'][$install_form_id])) { $form_state->setValues($install_state['forms'][$install_form_id]); } $form_builder->submitForm($form_id, $form_state); // Throw an exception in case of any form validation error. if ($errors = $form_state->getErrors()) { throw new InstallerException(implode("\n", $errors)); } }} |
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