None.php

<?php

namespace Drupal\views\Plugin\views\argument_validator;


/**
 * Do not validate the argument.
 *
 * @ingroup views_argument_validate_plugins
 *
 * @ViewsArgumentValidator(
 *   id = "none",
 *   title = @Translation(" - Basic validation - ")
 * )
 */
class None extends ArgumentValidatorPluginBase {
    public function validateArgument($argument) {
        if (!empty($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;
    }

}