From 02109997483ffcc7a17334c96359bf4fd7c01870 Mon Sep 17 00:00:00 2001
From: DrDeath72 <dr.death.ru@gmail.com>
Date: Fri, 2 Oct 2020 13:43:30 +0500
Subject: [PATCH] Fix #18308: Fixed `\yii\base\Model::getErrorSummary()`
 reverse order

---
 framework/CHANGELOG.md             | 1 +
 framework/base/Model.php           | 2 +-
 tests/framework/base/ModelTest.php | 4 ++--
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index bab9b4d..3f50c0d 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -6,6 +6,7 @@ Yii Framework 2 Change Log
 
 - Bug #16418: Fixed `yii\data\Pagination::getLinks()` to return links to the first and the last pages regardless of the current page (ptz-nerf, bizley)
 - Bug #18297: Replace usage of deprecated `ReflectionParameter::isArray()` method in PHP8 (baletskyi)
+- Bug #18308: Fixed `\yii\base\Model::getErrorSummary()` reverse order (DrDeath72)
 
 
 2.0.38 September 14, 2020
diff --git a/framework/base/Model.php b/framework/base/Model.php
index b525b16..25433ce 100644
--- a/framework/base/Model.php
+++ b/framework/base/Model.php
@@ -639,7 +639,7 @@ class Model extends Component implements StaticInstanceInterface, IteratorAggreg
         $lines = [];
         $errors = $showAllErrors ? $this->getErrors() : $this->getFirstErrors();
         foreach ($errors as $es) {
-            $lines = array_merge((array)$es, $lines);
+            $lines = array_merge($lines, (array)$es);
         }
         return $lines;
     }
diff --git a/tests/framework/base/ModelTest.php b/tests/framework/base/ModelTest.php
index 4fedffb..428f3fb 100644
--- a/tests/framework/base/ModelTest.php
+++ b/tests/framework/base/ModelTest.php
@@ -322,8 +322,8 @@ class ModelTest extends TestCase
             'lastName' => ['Another one!'],
         ], $speaker->getErrors());
 
-        $this->assertEquals(['Another one!', 'Something is wrong!', 'Totally wrong!'], $speaker->getErrorSummary(true));
-        $this->assertEquals(['Another one!', 'Something is wrong!'], $speaker->getErrorSummary(false));
+        $this->assertEquals(['Something is wrong!', 'Totally wrong!', 'Another one!'], $speaker->getErrorSummary(true));
+        $this->assertEquals(['Something is wrong!', 'Another one!'], $speaker->getErrorSummary(false));
 
         $speaker->clearErrors('firstName');
         $this->assertEquals([