AccessGroupAnd.php

<?php

namespace Drupal\block_content\Access;

use Drupal\Core\Access\AccessibleInterface;
use Drupal\Core\Access\AccessResult;
use Drupal\Core\Session\AccountInterface;

/**
 * An access group where all the dependencies must be allowed.
 *
 * @internal
 */
class AccessGroupAnd implements AccessibleInterface {
    
    /**
     * The access dependencies.
     *
     * @var \Drupal\Core\Access\AccessibleInterface[]
     */
    protected $dependencies = [];
    
    /**
     * {@inheritdoc}
     */
    public function addDependency(AccessibleInterface $dependency) {
        $this->dependencies[] = $dependency;
        return $this;
    }
    
    /**
     * {@inheritdoc}
     */
    public function access($operation, AccountInterface $account = NULL, $return_as_object = FALSE) {
        $access_result = AccessResult::neutral();
        foreach (array_slice($this->dependencies, 1) as $dependency) {
            $access_result = $access_result->andIf($dependency->access($operation, $account, TRUE));
        }
        return $return_as_object ? $access_result : $access_result->isAllowed();
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDependencies() {
        return $this->dependencies;
    }

}