--- Original
+++ New
 <?php
 final class Sample
 {
     private static $A = 1;

     public function getBar()
     {
-        return static::class.static::test().static::$A;
+        return self::class.self::test().self::$A;
     }

     private static function test()
     {
         return 'test';
     }
 }

--- Original
+++ New
 <?php
 final class Foo
 {
     public function bar()
     {
-        return new static();
+        return new self();
     }
 }

--- Original
+++ New
 <?php
 final class Foo
 {
     public function isBar()
     {
-        return $foo instanceof static;
+        return $foo instanceof self;
     }
 }

--- Original
+++ New
 <?php
 $a = new class() {
     public function getBar()
     {
-        return static::class;
+        return self::class;
     }
 };

--- Original
+++ New
 <?php
 enum Foo
 {
     public const A = 123;

     public static function bar(): void
     {
-        echo static::A;
+        echo self::A;
     }
 }