AppserverIo\Appserver\PersistenceContainer\StatefulSessionBeanMap::exists PHP Méthode

exists() public méthode

This method checks if the element with the passed key exists in the Collection.
public exists ( mixed $key ) : boolean
$key mixed Holds the key to check the elements of the Collection for
Résultat boolean Returns true if an element with the passed key exists in the Collection
    public function exists($key)
    {
        return isset($this->items[$key]);
    }