Writing Plugins

Writing Plugins

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.

If a plugin depends on some functionality provided by another plugin (as is the case with some plugins bundled with Smarty), then the proper way to load the needed plugin is this:

<?php
require_once $smarty->_get_plugin_filepath('function''html_options');
?>

As a general rule, Smarty object is always passed to the plugins as the last parameter (with two exceptions: modifiers do not get passed the Smarty object at all and blocks get passed &$repeat after the Smarty object to keep backwards compatibility to older versions of Smarty).

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