[Php83] Add support +/- value on constant on AddTypeToConstRector (#5694

)

rules-tests/Php83/Rector/ClassConst/AddTypeToConstRector/Fixture/plus_or_minus.php.inc

@@ -0,0 +1,25 @@
+<?php
+
+namespace Rector\Tests\Php83\Rector\ClassConst\AddTypeToConstRector\Fixture;
+
+final class PlusOrMinus
+{
+    public const MINUS_1 = -1;
+
+    public const PLUS_1 = +1;
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\Php83\Rector\ClassConst\AddTypeToConstRector\Fixture;
+
+final class PlusOrMinus
+{
+    public const int MINUS_1 = -1;
+
+    public const int PLUS_1 = +1;
+}
+
+?>

rules/Php83/Rector/ClassConst/AddTypeToConstRector.php

@@ -10,6 +10,8 @@
 use PhpParser\Node\Expr\Array_;
 use PhpParser\Node\Expr\BinaryOp\Concat;
 use PhpParser\Node\Expr\ConstFetch;
+use PhpParser\Node\Expr\UnaryMinus;
+use PhpParser\Node\Expr\UnaryPlus;
 use PhpParser\Node\Identifier;
 use PhpParser\Node\Scalar\DNumber;
 use PhpParser\Node\Scalar\LNumber;
@@ -142,6 +144,10 @@ public function isConstGuardedByParents(Const_ $const, array $parentClassReflect
 
     private function findValueType(Expr $expr): ?Identifier
     {
+        if ($expr instanceof UnaryPlus || $expr instanceof UnaryMinus) {
+            return $this->findValueType($expr->expr);
+        }
+
         if ($expr instanceof String_) {
             return new Identifier('string');
         }