public static function registerAutoload()
{
if (!self::$_autoloadRegistered) {
spl_autoload_register(array(__CLASS__, '_loadClass'));
}
self::$_autoloadRegistered = TRUE;
}
/**
* Add a filter at the beginning of the chain
*
* @param mixed $filter Either a filter key or a instance of RRSlug_FilterInterface.
* @return RRSlug_FilterChain A reference to this instance.
* @author Romain Ruetschi <*****@*****.**>
*/
public function unshift($filter)
{
$filter = $this->_slug->getFilterFromMixedValue($filter);
$this->_filters = array($filter) + $this->_filters;
return $this;
}
