diff options
| -rw-r--r-- | docs/upgrading.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/upgrading.md b/docs/upgrading.md index ef9cc4c9..2bb36fe5 100644 --- a/docs/upgrading.md +++ b/docs/upgrading.md @@ -49,6 +49,11 @@ $smarty->registerPlugin('modifier', 'my_special_func', 'my_special_func'); But you may want to consider writing a proper [extension](api/extending/extensions.md). +#### Passing parameters by reference +You cannot use plugins that expect a parameter by reference anymore. PHP-function such as `reset()`, `prev()`, +`next()` and `end()` can be registered as plugin, but they won't work because they expect a parameter by +reference and Smarty will try to pass it by value. + ### Removed undocumented tags Smarty 4 still supported some tags that have been carried over from previous version, but have never been documented. |