Require constructor property promotion

Author: greg0ire

lib/Doctrine/ruleset.xml

@@ -144,6 +144,8 @@
             <property name="enableMultipleSpacesBetweenModifiersCheck" value="true"/>
         </properties>
     </rule>
+    <!-- Require usage of constructor property promotion -->
+    <rule ref="SlevomatCodingStandard.Classes.RequireConstructorPropertyPromotion"/>
     <!-- Forbid uses of multiple traits separated by comma -->
     <rule ref="SlevomatCodingStandard.Classes.TraitUseDeclaration"/>
     <!-- Require no spaces before trait use, between trait uses and one space after trait uses -->

tests/expected_report.txt

@@ -15,7 +15,7 @@ tests/input/ControlStructures.php                     28      0
 tests/input/doc-comment-spacing.php                   11      0
 tests/input/duplicate-assignment-variable.php         1       0
 tests/input/EarlyReturn.php                           7       0
-tests/input/example-class.php                         43      0
+tests/input/example-class.php                         44      0
 tests/input/ExampleBackedEnum.php                     3       0
 tests/input/Exceptions.php                            1       0
 tests/input/forbidden-comments.php                    14      0
@@ -50,9 +50,9 @@ tests/input/use-ordering.php                          1       0
 tests/input/useless-semicolon.php                     2       0
 tests/input/UselessConditions.php                     21      0
 ----------------------------------------------------------------------
-A TOTAL OF 428 ERRORS AND 0 WARNINGS WERE FOUND IN 46 FILES
+A TOTAL OF 429 ERRORS AND 0 WARNINGS WERE FOUND IN 46 FILES
 ----------------------------------------------------------------------
-PHPCBF CAN FIX 363 OF THESE SNIFF VIOLATIONS AUTOMATICALLY
+PHPCBF CAN FIX 364 OF THESE SNIFF VIOLATIONS AUTOMATICALLY
 ----------------------------------------------------------------------
 
 

tests/fixed/example-class.php

@@ -25,20 +25,10 @@ class Example implements IteratorAggregate
 {
     private const VERSION = PHP_VERSION - (PHP_MINOR_VERSION * 100) - PHP_PATCH_VERSION;
 
-    private int|null $foo = null;
-
-    /** @var string[] */
-    private array $bar;
-
-    private bool $baz;
-
     private ControlStructureSniff|int|string|null $baxBax = null;
 
-    public function __construct(int|null $foo = null, array $bar = [], bool $baz = false, $baxBax = 'unused')
+    public function __construct(private int|null $foo = null, private array $bar = [], private bool $baz = false, $baxBax = 'unused')
     {
-        $this->foo    = $foo;
-        $this->bar    = $bar;
-        $this->baz    = $baz;
         $this->baxBax = $baxBax;
     }