public function TestSettingsValidationBlock::blockValidate in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/block/tests/modules/block_test/src/Plugin/Block/TestSettingsValidationBlock.php \Drupal\block_test\Plugin\Block\TestSettingsValidationBlock::blockValidate()

Overrides BlockPluginTrait::blockValidate

File

core/modules/block/tests/modules/block_test/src/Plugin/Block/TestSettingsValidationBlock.php, line 28

Class

TestSettingsValidationBlock

Provides a test settings validation block.

Namespace

Drupal\block_test\Plugin\Block

Code

public function blockValidate($form, FormStateInterface $form_state) {
  if (!ctype_digit($form_state
    ->getValue('digits'))) {
    $form_state
      ->setErrorByName('digits', $this
      ->t('Only digits are allowed'));
  }
}