1 files changed, 3 insertions, 0 deletions
diff --git a/vendor/smarty/smarty/libs/sysplugins/smarty_internal_compile_private_modifier.php b/vendor/smarty/smarty/libs/sysplugins/smarty_internal_compile_private_modifier.php
index 72773fff8..aea082f01 100644
--- a/vendor/smarty/smarty/libs/sysplugins/smarty_internal_compile_private_modifier.php
+++ b/vendor/smarty/smarty/libs/sysplugins/smarty_internal_compile_private_modifier.php
@@ -109,6 +109,9 @@ class Smarty_Internal_Compile_Private_Modifier extends Smarty_Internal_CompileBa
                             if (!is_object($compiler->smarty->security_policy)
                                 || $compiler->smarty->security_policy->isTrustedPhpModifier($modifier, $compiler)
                             ) {
+                                trigger_error('Using php-function "' . $modifier . '" as a modifier is deprecated and will be ' .
+                                    'removed in a future release. Use Smarty::registerPlugin to explicitly register ' .
+                                    'a custom modifier.', E_USER_DEPRECATED);
                                 $output = "{$modifier}({$params})";
                             }
                             $compiler->known_modifier_type[ $modifier ] = $type;