- optimization use real function instead anonymous function for preg_replace_callback
- bugfix a relative {include} in child template blocks failed
- bugfix direct setting of $template_dir, $config_dir, $plugins_dir in __construct() of an
extended Smarty class created problems
- bugfix {include $file} was broken when merge_compiled_incluges = true
- bugfix {include} was broken when merge_compiled_incluges = true and same indluded template
was used in different main templates in one compilation run
- new config file lexer/parser (thanks to Thue Jnaus Kristensen)
- template lexer/parser fixes for PHP and {literal} handing (thanks to Thue Jnaus Kristensen)
- fix on registered plugins with different type but same name
- rewrite of plugin handling (optimized execution speed)
- closed a security hole regarding PHP code injection into cache files
- fixed bug in clear cache handling
- Renamed a couple of internal classes
- code cleanup for merging compiled templates
- couple of runtime optimizations (still not all done)
- use _dir_perms and _file_perms properties at file creation
- new constant SMARTY_RESOURCE_DATE_FORMAT (default '%b %e, %Y') which is used as default format in modifier date_format
