CalculatedPermissionsTrait.php

<?php

namespace Drupal\Core\Session;


/**
 * Trait for \Drupal\Core\Session\CalculatedPermissionsInterface.
 */
trait CalculatedPermissionsTrait {
    
    /**
     * A list of calculated permission items, keyed by scope and identifier.
     *
     * @var array
     */
    protected array $items = [];
    
    /**
     * {@inheritdoc}
     */
    public function getItem(string $scope = AccessPolicyInterface::SCOPE_DRUPAL, string|int $identifier = AccessPolicyInterface::SCOPE_DRUPAL) : CalculatedPermissionsItemInterface|false {
        return $this->items[$scope][$identifier] ?? FALSE;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getItems() : array {
        $item_sets = [];
        foreach ($this->items as $scope_items) {
            $item_sets[] = array_values($scope_items);
        }
        return array_merge(...$item_sets);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getScopes() : array {
        return array_keys($this->items);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getItemsByScope(string $scope = AccessPolicyInterface::SCOPE_DRUPAL) : array {
        return isset($this->items[$scope]) ? array_values($this->items[$scope]) : [];
    }

}