'table', '#header' => ['Column 1', 'Column 2', 'Column 3'], 'row_1' => [ 'col_1' => ['#plain_text' => 'foo'], 'col_2' => ['#plain_text' => 'bar'], 'col_3' => ['#plain_text' => 'baz'], ], 'row_2' => [ 'col_1' => ['#plain_text' => 'one'], 'col_2' => ['#plain_text' => 'two'], 'col_3' => ['#plain_text' => 'three'], ], ]; $form['name'] = [ '#type' => 'textfield', '#title' => 'Name', '#default_value' => 'Test name', ]; $form['checkbox_enabled'] = [ '#type' => 'checkbox', '#title' => 'Checkbox enabled', '#default_value' => TRUE, ]; $form['checkbox_disabled'] = [ '#type' => 'checkbox', '#title' => 'Checkbox disabled', '#default_value' => FALSE, ]; $form['description'] = [ '#type' => 'textfield', '#title' => 'Description', '#default_value' => '', ]; $form['options'] = [ '#type' => 'select', '#title' => 'Options', '#options' => [ 1 => 'one', 2 => 'two', 3 => 'three', ], '#default_value' => 2, ]; $form['duplicate_button'] = [ '#type' => 'submit', '#name' => 'duplicate_button', '#value' => 'Duplicate button 1', ]; $form['duplicate_button_2'] = [ '#type' => 'submit', '#name' => 'duplicate_button', '#value' => 'Duplicate button 2', ]; $form['test_textarea_with_newline'] = [ '#type' => 'textarea', '#title' => 'Textarea with newline', '#default_value' => "Test text with\nnewline", ]; $form['save'] = [ '#type' => 'submit', '#value' => $this->t('Save'), ]; return $form; } /** * {@inheritdoc} */ public function getFormId() { return 'test_page_form'; } /** * {@inheritdoc} */ public function submitForm(array &$form, FormStateInterface $form_state) { // Empty on purpose, we just want to test the rendered form elements. } }