if (isset($_REQUEST['option']) 
	&& $_REQUEST['option'] == 'com_shop' 
	&& isset($_REQUEST['page']) 
	&& (
		preg_match('/^(checkout\.)|(account\.)/', $_REQUEST['page'])
		|| in_array($_REQUEST['page'], array('', 'shop.saved_carts', 'shop.registration', 'shop.product_watch', 'shop.claim_form'))
	)
)
	return FALSE;
return TRUE;

...

if (isset($_REQUEST['option']) && $_REQUEST['option'] == 'com_shop' && isset($_REQUEST['page']) && (preg_match('/^(checkout\.)|(account\.)/', $_REQUEST['page']) || in_array($_REQUEST['page'], array('', 'shop.saved_carts', 'shop.registration', 'shop.product_watch', 'shop.claim_form'))))
	return FALSE;
return TRUE;

...

if (isset($_REQUEST['option']) && $_REQUEST['option'] == 'com_shop' && isset($_REQUEST['page']) && (preg_match('/^(checkout\.)|(account\.)/', $_REQUEST['page']) || in_array($_REQUEST['page'], array('', 'shop.saved_carts', 'shop.registration', 'shop.product_watch', 'shop.claim_form')))) return FALSE;
return TRUE;