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smarty/docs/programmers/plugins/plugins-writing.md
2022-11-30 00:25:27 +01:00

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Writing Plugins {#plugins.writing}
===============
Plugins can be either loaded by Smarty automatically from the filesystem
or they can be registered at runtime via one of the register\_\* API
functions. They can also be unregistered by using unregister\_\* API
functions.
For the plugins that are registered at runtime, the name of the plugin
function(s) does not have to follow the naming convention.
As a general rule, the currently evaluated template\'s
Smarty\_Internal\_Template object is always passed to the plugins as the
last parameter with two exceptions:
- modifiers do not get passed the Smarty\_Internal\_Template object at
all
- blocks get passed `$repeat` after the Smarty\_Internal\_Template
object to keep backwards compatibility to older versions of Smarty.