== Smarty2 backward compatibility ==All Smarty2 specific API functions and deprecated functionallity has been movedto the SmartyBC class.== {php} Tag ==The {php} tag is no longer available in the standard Smarty calls. The use of {php} tags is deprecated and only available in the SmartyBC class. == {include_php} Tag ==The {include_php} tag is no longer available in the standard Smarty calls. The use of {include_php} tags is deprecated and only available in the SmartyBC class. == php template resource ==The support of the php template resource is removed.== $cache_dir, $compile_dir, $config_dir, $template_dir access ==The mentioned properties can't be accessed directly any longer. You must usecorresponding getter/setters like addConfigDir(), setConfigDir(), getConfigDir()== obsolete Smarty class properties ==The following no longer used properties are removed:$allow_php_tag$allow_php_template$deprecation_notices