Merge branch 'bug/385-php7'

1 files changed, 42 insertions, 0 deletions

diff --git a/include/smarty/libs/sysplugins/smarty_internal_method_unregisterfilter.php b/include/smarty/libs/sysplugins/smarty_internal_method_unregisterfilter.php
new file mode 100644
index 000000000..c80ae9a65
--- /dev/null
+++ b/include/smarty/libs/sysplugins/smarty_internal_method_unregisterfilter.php
@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * Smarty Method UnregisterFilter
+ *
+ * Smarty::unregisterFilter() method
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ */
+class Smarty_Internal_Method_UnregisterFilter extends Smarty_Internal_Method_RegisterFilter
+{
+    /**
+     * Unregisters a filter function
+     *
+     * @api  Smarty::unregisterFilter()
+     *
+     * @link http://www.smarty.net/docs/en/api.unregister.filter.tpl
+     *
+     * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
+     * @param  string                                                         $type filter type
+     * @param  callback|string                                                $callback
+     *
+     * @return \Smarty|\Smarty_Internal_Template
+     */
+    public function unregisterFilter(Smarty_Internal_TemplateBase $obj, $type, $callback)
+    {
+        $smarty = isset($obj->smarty) ? $obj->smarty : $obj;
+        $this->_checkFilterType($type);
+        if (isset($smarty->registered_filters[$type])) {
+            $name = is_string($callback) ? $callback : $this->_getFilterName($callback);
+            if (isset($smarty->registered_filters[$type][$name])) {
+                unset($smarty->registered_filters[$type][$name]);
+                if (empty($smarty->registered_filters[$type])) {
+                    unset($smarty->registered_filters[$type]);
+                }
+            }
+        }
+        return $obj;
+    }
+}
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