None.php

1. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/cache/None.php
2. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/pager/None.php
3. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/argument_validator/None.php
4. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/access/None.php

<?php

/**
 * @file
 * Definition of Drupal\views\Plugin\views\argument_validator\None.
 */
namespace Drupal\views\Plugin\views\argument_validator;

use Drupal\Core\Annotation\Plugin;
use Drupal\Core\Annotation\Translation;

/**
 * Do not validate the argument.
 *
 * @ingroup views_argument_validate_plugins
 *
 * @Plugin(
 *   id = "none",
 *   title = @Translation(" - Basic validation - ")
 * )
 */
class None extends ArgumentValidatorPluginBase {
  function validate_argument($argument) {
    if (!empty($this->argument->options['must_not_be'])) {
      return !isset($argument);
    }
    if (!isset($argument) || $argument === '') {
      return FALSE;
    }
    if (!empty($this->argument->definition['numeric']) && !isset($this->argument->options['break_phrase']) && !is_numeric($arg)) {
      return FALSE;
    }
    return TRUE;
  }

}