public static function cHashParams($addQueryParams) {
		t3lib_div::logDeprecatedFunction();
		$params = explode('&', substr($addQueryParams, 1)); // Splitting parameters up
		/* @var $cacheHash t3lib_cacheHash */
		$cacheHash = t3lib_div::makeInstance('t3lib_cacheHash');
		$pA = $cacheHash->getRelevantParameters($addQueryParams);

			// Hook: Allows to manipulate the parameters which are taken to build the chash:
		if (isset($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_div.php']['cHashParamsHook'])) {
			$cHashParamsHook =& $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_div.php']['cHashParamsHook'];
			if (is_array($cHashParamsHook)) {
				$hookParameters = array(
					'addQueryParams' => &$addQueryParams,
					'params' => &$params,
					'pA' => &$pA,
				);
				$hookReference = NULL;
				foreach ($cHashParamsHook as $hookFunction) {
					self::callUserFunction($hookFunction, $hookParameters, $hookReference);
				}
			}
		}

		return $pA;
	}