function ConfigEntityBase::__sleep

Overrides EntityBase::__sleep

File

core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php, line 346

Class

ConfigEntityBase

Defines a base configuration entity class.

Namespace

Code

public function __sleep() : array {
    $keys_to_unset = [];
    if ($this instanceof EntityWithPluginCollectionInterface) {
        // Get the plugin collections first, so that the properties are
        // initialized in $vars and can be found later.
        $plugin_collections = $this->getPluginCollections();
        $vars = get_object_vars($this);
        foreach ($plugin_collections as $plugin_config_key => $plugin_collection) {
            // Save any changes to the plugin configuration to the entity.
            $this->set($plugin_config_key, $plugin_collection->getConfiguration());
            // If the plugin collections are stored as properties on the entity,
            // mark them to be unset.
            $keys_to_unset += array_filter($vars, function ($value) use ($plugin_collection) {
                return $plugin_collection === $value;
            });
        }
    }
    $vars = parent::__sleep();
    if (!empty($keys_to_unset)) {
        $vars = array_diff($vars, array_keys($keys_to_unset));
    }
    return $vars;
}