====== generateId ======
{#JAPI Joomla.Framework Cache JCache::generateId #}

Make a control key with the string containing data.
===== Syntax =====
string generateId	( **$data**, **$controlType** )
| **$data** | string | is a string from which to create the control key. |
| **$controlType** | string | is a string containing the type of control. This can be 'md5', 'crc32' or 'strlen'. This parameter is optional and if omitted defaults to 'md5'. |

===== Examples =====
<code php|Example>
$cache =& JFactory::getCache();

echo "Control key of JClass: " . $cache->generateId( 'JClass', 'crc32' );
</code>
might produce:
<code php|Result>
Control key of JClass:  -173455057
</code>

~~DISCUSSION~~