1 files changed, 43 insertions, 0 deletions
diff --git a/lib/smarty/sysplugins/smarty_internal_method_unloadfilter.php b/lib/smarty/sysplugins/smarty_internal_method_unloadfilter.php
new file mode 100644
index 0000000..55e1596
--- /dev/null
+++ b/lib/smarty/sysplugins/smarty_internal_method_unloadfilter.php
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Smarty Method UnloadFilter
+ *
+ * Smarty::unloadFilter() method
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ */
+class Smarty_Internal_Method_UnloadFilter extends Smarty_Internal_Method_LoadFilter
+{
+    /**
+     * load a filter of specified type and name
+     *
+     * @api  Smarty::unloadFilter()
+     *
+     * @link http://www.smarty.net/docs/en/api.unload.filter.tpl
+     *
+     * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
+     * @param string                                                          $type filter type
+     * @param string                                                          $name filter name
+     *
+     * @return Smarty_Internal_TemplateBase
+     * @throws \SmartyException
+     */
+    public function unloadFilter(Smarty_Internal_TemplateBase $obj, $type, $name)
+    {
+        $smarty = $obj->_getSmartyObj();
+        $this->_checkFilterType($type);
+        if (isset($smarty->registered_filters[ $type ])) {
+            $_filter_name = "smarty_{$type}filter_{$name}";
+            if (isset($smarty->registered_filters[ $type ][ $_filter_name ])) {
+                unset($smarty->registered_filters[ $type ][ $_filter_name ]);
+                if (empty($smarty->registered_filters[ $type ])) {
+                    unset($smarty->registered_filters[ $type ]);
+                }
+            }
+        }
+        return $obj;
+    }
+}