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- <?php
-
- /**
- * Smarty Method LoadFilter
- *
- * Smarty::loadFilter() method
- *
- * @package Smarty
- * @subpackage PluginsInternal
- * @author Uwe Tews
- */
- class Smarty_Internal_Method_LoadFilter
- {
- /**
- * Valid for Smarty and template object
- *
- * @var int
- */
- public $objMap = 3;
-
- /**
- * Valid filter types
- *
- * @var array
- */
- private $filterTypes = array('pre' => true, 'post' => true, 'output' => true, 'variable' => true);
-
- /**
- * load a filter of specified type and name
- *
- * @api Smarty::loadFilter()
- *
- * @link http://www.smarty.net/docs/en/api.load.filter.tpl
- *
- * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
- * @param string $type filter type
- * @param string $name filter name
- *
- * @return bool
- * @throws SmartyException if filter could not be loaded
- */
- public function loadFilter(Smarty_Internal_TemplateBase $obj, $type, $name)
- {
- $smarty = isset($obj->smarty) ? $obj->smarty : $obj;
- $this->_checkFilterType($type);
- $_plugin = "smarty_{$type}filter_{$name}";
- $_filter_name = $_plugin;
- if (is_callable($_plugin)) {
- $smarty->registered_filters[$type][$_filter_name] = $_plugin;
- return true;
- }
- if ($smarty->loadPlugin($_plugin)) {
- if (class_exists($_plugin, false)) {
- $_plugin = array($_plugin, 'execute');
- }
- if (is_callable($_plugin)) {
- $smarty->registered_filters[$type][$_filter_name] = $_plugin;
- return true;
- }
- }
- throw new SmartyException("{$type}filter \"{$name}\" not found or callable");
- }
-
- /**
- * Check if filter type is valid
- *
- * @param string $type
- *
- * @throws \SmartyException
- */
- public function _checkFilterType($type)
- {
- if (!isset($this->filterTypes[$type])) {
- throw new SmartyException("Illegal filter type \"{$type}\"");
- }
- }
- }
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