changes on Smarty side breaks all prefilter in Piwigo

It would be better to modify the way template.class.php registers prefilters
but I didn't find the appropriate data structure.

1 files changed, 5 insertions, 1 deletions

diff --git a/include/smarty/libs/sysplugins/smarty_internal_runtime_filterhandler.php b/include/smarty/libs/sysplugins/smarty_internal_runtime_filterhandler.php
index 9af266758..4b664c38e 100644
--- a/include/smarty/libs/sysplugins/smarty_internal_runtime_filterhandler.php
+++ b/include/smarty/libs/sysplugins/smarty_internal_runtime_filterhandler.php
@@ -60,7 +60,11 @@ class Smarty_Internal_Runtime_FilterHandler
         // loop over registered filters of specified type
         if (!empty($template->smarty->registered_filters[$type])) {
             foreach ($template->smarty->registered_filters[$type] as $key => $name) {
-                $content = call_user_func($template->smarty->registered_filters[$type][$key], $content, $template);
+                if (is_array($template->smarty->registered_filters[$type][$key])) {
+                    $content = call_user_func($template->smarty->registered_filters[$type][$key], $content, $template);
+                } else {
+                    $content = $template->smarty->registered_filters[$type][$key]($content, $template);
+                }
             }
         }
         // return filtered output