src/Flash.php
public function load($key, Clovers $callback)
    {
        if(!$this->has($key))
        {
            $this->set($key, $callback($key));
        }
        
        return $this->get($key);
    }
public function load($key, Clovers $callback)
    {
        if(!$this->has($key))
        {
            $this->set($key, $callback($key));
        }
        
        return $this->get($key);
    }
public function load ( $ key , Clovers $ callback ) { if ( ! $ this -> has ( $ key ) ) { $ this -> set ( $ key , $ callback ( $ key ) ) ; } return $ this -> get ( $ key ) ; }
Retrive the value associated with the specified key or associate
the specified key with the value returned by invoking the callback.

@access  public

@param   string      $key        Key
@param   \Clovers    $callback   Callback

@return  mixed
Retrive the value associated with the specified key or associate the specified key with the value returned by invoking the callback .