[TypeDeclaration] Skip integer index on string on AddArrowFunctionParamArrayWhereDimFetchRector

Author: samsonasik

rules-tests/TypeDeclaration/Rector/FuncCall/AddArrowFunctionParamArrayWhereDimFetchRector/Fixture/skip_integer_index_on_string.php.inc

@@ -0,0 +1,19 @@
+<?php
+
+namespace Rector\Tests\TypeDeclaration\Rector\FuncCall\AddArrowFunctionParamArrayWhereDimFetchRector\Fixture;
+
+final class SkipFilledType
+{
+    public function run()
+    {
+        $username = 'john.doe';
+
+        $initials = implode(
+            '',
+            array_map(
+                static fn ($name): string => strtoupper((string) $name[0]),
+                explode('.', $username),
+            ),
+        );
+    }
+}