FullDate.php

<?php

namespace Drupal\views\Plugin\views\argument;

use Drupal\views\Attribute\ViewsArgument;

/**
 * Argument handler for a full date (CCYYMMDD)
 */
class FullDate extends Date {
  
  /**
   * {@inheritdoc}
   */
  protected $format = 'F j, Y';
  
  /**
   * {@inheritdoc}
   */
  protected $argFormat = 'Ymd';
  
  /**
   * {@inheritdoc}
   */
  public function summaryName($data) {
    $created = $data->{$this->name_alias};
    return $this->dateFormatter
      ->format(strtotime($created . " 00:00:00 UTC"), 'custom', $this->format, 'UTC');
  }
  
  /**
   * {@inheritdoc}
   */
  public function title() {
    return $this->dateFormatter
      ->format(strtotime($this->argument . " 00:00:00 UTC"), 'custom', $this->format, 'UTC');
  }

}