Object/Element/CacheCollection.php
public function create($key, $content)
    {
        if (! $this->has($key)) {
            $this->elements[$key] = new CacheElement($key);
            $this->elements[$key]->setContent($content);
        }
        return $this;
    }
public function create($key, $content)
    {
        if (! $this->has($key)) {
            $this->elements[$key] = new CacheElement($key);
            $this->elements[$key]->setContent($content);
        }
        return $this;
    }
Create

Create an element. Note
this method do not override
an existing element.

@param string $key     - the element key
@param string $content - the element content

@return CacheCollection - the current instance