TestSettingsValidationBlock.php

Same filename in other branches
  1. 9 core/modules/block/tests/modules/block_test/src/Plugin/Block/TestSettingsValidationBlock.php
  2. 8.9.x core/modules/block/tests/modules/block_test/src/Plugin/Block/TestSettingsValidationBlock.php
  3. 10 core/modules/block/tests/modules/block_test/src/Plugin/Block/TestSettingsValidationBlock.php

Namespace

Drupal\block_test\Plugin\Block

File

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

View source
<?php

declare (strict_types=1);
namespace Drupal\block_test\Plugin\Block;

use Drupal\Core\Block\Attribute\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;

/**
 * Provides a test settings validation block.
 */
class TestSettingsValidationBlock extends BlockBase {
    
    /**
     * {@inheritdoc}
     */
    public function blockForm($form, FormStateInterface $form_state) {
        return [
            'digits' => [
                '#type' => 'textfield',
            ],
        ] + $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function blockValidate($form, FormStateInterface $form_state) {
        if (!ctype_digit($form_state->getValue('digits'))) {
            $form_state->setErrorByName('digits', $this->t('Only digits are allowed'));
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function build() {
        return [
            '#markup' => 'foo',
        ];
    }

}

Classes

Title Deprecated Summary
TestSettingsValidationBlock Provides a test settings validation block.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.