diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index 5e1986a4056..0229411c9b2 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -13,6 +13,7 @@ Yii Framework 2 Change Log
 - Enh #20268: Minor optimisation in `\yii\helpers\BaseArrayHelper::map` (chriscpty)
 - Enh #20273: Remove unnecessary `paragonie/random_compat` dependency (timwolla)
 - Chg #20276: Removed autogenerated migration phpdoc (userator)
+- Bug #20282: Fix compatibility with PHP 8.4: deprecated constant E_STRICT (Izumi-kun)
 
 2.0.51 July 18, 2024
 --------------------
diff --git a/framework/base/ErrorException.php b/framework/base/ErrorException.php
index f9c388a5453..a5af2a8027a 100644
--- a/framework/base/ErrorException.php
+++ b/framework/base/ErrorException.php
@@ -124,15 +124,14 @@ public function getName()
             E_NOTICE => 'PHP Notice',
             E_PARSE => 'PHP Parse Error',
             E_RECOVERABLE_ERROR => 'PHP Recoverable Error',
-            E_STRICT => 'PHP Strict Warning',
             E_USER_DEPRECATED => 'PHP User Deprecated Warning',
             E_USER_ERROR => 'PHP User Error',
             E_USER_NOTICE => 'PHP User Notice',
             E_USER_WARNING => 'PHP User Warning',
             E_WARNING => 'PHP Warning',
             self::E_HHVM_FATAL_ERROR => 'HHVM Fatal Error',
-        ];
+        ] + (PHP_VERSION_ID < 80400 ? [E_STRICT => 'PHP Strict Warning'] : []);
 
-        return isset($names[$this->getCode()]) ? $names[$this->getCode()] : 'Error';
+        return $names[$this->getCode()] ?? 'Error';
     }
 }
diff --git a/tests/framework/base/ErrorExceptionTest.php b/tests/framework/base/ErrorExceptionTest.php
index 615b706fa6d..0054136ad7f 100644
--- a/tests/framework/base/ErrorExceptionTest.php
+++ b/tests/framework/base/ErrorExceptionTest.php
@@ -41,4 +41,13 @@ public function testXdebugTrace()
             $this->assertEquals(__FUNCTION__, $e->getTrace()[0]['function']);
         }
     }
+
+    public function testStrictError()
+    {
+        if (!defined('E_STRICT')) {
+            $this->markTestSkipped('E_STRICT has been removed.');
+        }
+        $e = new ErrorException('', @E_STRICT);
+        $this->assertEquals(PHP_VERSION_ID < 80400 ? 'PHP Strict Warning' : 'Error', $e->getName());
+    }
 }