setPluginsDir() — set the directories where plugins are stored
Smarty setPluginsDir(string|array plugins_dir);Example 14.46. setPluginsDir()
<?php
// set a single directory where the plugins are stored
$smarty->setPluginsDir('./plugins');
// view the plugins dir chain
var_dump($smarty->getPluginsDir());
// set multiple directoríes where plugins are stored
$smarty->setPluginsDir(array(
    './plugins',
    './plugins_2',
));
// view the plugins dir chain
var_dump($smarty->getPluginsDir());
// chaining of method calls
$smarty->setTemplateDir('./templates')
       ->setPluginsDir('./plugins')
       ->setCompileDir('./templates_c')
       ->setCacheDir('./cache');
?>
   
   See also
   getPluginsDir(),
   addPluginsDir() and
   $plugins_dir.