From 9e8ff1e8f81683344a051db8418f1103b4ab9046 Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Sun, 24 Jan 2021 12:47:13 +0100
Subject: [PATCH] Fix `IDatabaseTableColumn::renameTo()` for PHP < 8

---
 .../table/column/AbstractDatabaseTableColumn.class.php         | 2 +-
 .../database/table/column/IDatabaseTableColumn.class.php       | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/wcfsetup/install/files/lib/system/database/table/column/AbstractDatabaseTableColumn.class.php b/wcfsetup/install/files/lib/system/database/table/column/AbstractDatabaseTableColumn.class.php
index 78638f20c9..0672f3d446 100644
--- a/wcfsetup/install/files/lib/system/database/table/column/AbstractDatabaseTableColumn.class.php
+++ b/wcfsetup/install/files/lib/system/database/table/column/AbstractDatabaseTableColumn.class.php
@@ -182,7 +182,7 @@ abstract class AbstractDatabaseTableColumn implements IDatabaseTableColumn
      * @inheritDoc
      * @since       5.4
      */
-    public function renameTo(string $newName): self
+    public function renameTo(string $newName)
     {
         if ($newName === $this->getName()) {
             throw new \InvalidArgumentException("'{$newName}' is the current name of the column.");
diff --git a/wcfsetup/install/files/lib/system/database/table/column/IDatabaseTableColumn.class.php b/wcfsetup/install/files/lib/system/database/table/column/IDatabaseTableColumn.class.php
index 074526c7ba..9d695f5cac 100644
--- a/wcfsetup/install/files/lib/system/database/table/column/IDatabaseTableColumn.class.php
+++ b/wcfsetup/install/files/lib/system/database/table/column/IDatabaseTableColumn.class.php
@@ -90,8 +90,9 @@ interface IDatabaseTableColumn
      * Sets the new name of the column and returns the column.
      *
      * @since       5.4
+     * @return $this
      */
-    public function renameTo(string $newName): self;
+    public function renameTo(string $newName);
 
     /**
      * Returns `true` if the column will be dropped.
-- 
2.20.1