SimpleMachines / SMF2.1

	/**

	 * {@inheritDoc}

	 */

	public function getData($key, $ttl = null)

	{

		$key = $this->prefix . strtr($key, ':/', '-_');

		// Zend's pricey stuff.

		if (function_exists('zend_shm_cache_fetch'))

			return zend_shm_cache_fetch('SMF::' . $key);

		elseif (function_exists('output_cache_get'))

			return output_cache_get($key, $ttl);

	}

	/**

	 * {@inheritDoc}

	/**

	 * {@inheritDoc}

	 */

	public function putData($key, $value, $ttl = null)

	{

		$key = $this->prefix . strtr($key, ':/', '-_');

		if (function_exists('zend_shm_cache_store'))

			return zend_shm_cache_store('SMF::' . $key, $value, $ttl);

		elseif (function_exists('output_cache_put'))

			return output_cache_put($key, $value);

	}

	/**

	 * {@inheritDoc}