protected function _isCachable( $what, $confpath, array $default )
	{
		foreach( $this->_getSubClients( $confpath, $default ) as $subclient )
		{
			if( $subclient->isCachable( $what ) === false ) {
				return false;
			}
		}

		return true;
	}
protected function _isCachable( $what, $confpath, array $default )
	{
		foreach( $this->_getSubClients( $confpath, $default ) as $subclient )
		{
			if( $subclient->isCachable( $what ) === false ) {
				return false;
			}
		}

		return true;
	}
protected function _isCachable ( $ what , $ confpath , array $ default ) { foreach ( $ this -> _getSubClients ( $ confpath , $ default ) as $ subclient ) { if ( $ subclient -> isCachable ( $ what ) === false ) { return false ; } } return true ; }
Tests if the output of the sub-clients is cachable.

@param integer $what Header or body constant from Client_HTML_Abstract
@param string $confpath Path to the configuration that contains the configured sub-clients
@param array $default List of sub-client names that should be used if no other configuration is available
@return boolean True if the output can be cached, false if not
@deprecated Not used anymore, caching is done internally
@todo 2015.03 Remove method from API
Tests if the output of the sub - clients is cachable .