Skip xsi:type generation for anonymous complex types.

Author: veewee

src/Xml/Writer/XsiAttributeBuilder.php

@@ -39,6 +39,12 @@ public static function forEncodedValue(
             return children([]);
         }
 
+        // Skip xsi:type declaration for anonymous complexTypes : they don't have an accessible name.
+        $meta = $context->type->getMeta();
+        if ($meta->isLocal()->unwrapOr(false)) {
+            return children([]);
+        }
+
         [$xsiType, $includeXsiTargetNamespace] = match(true) {
             $encoder instanceof Feature\XsiTypeCalculator => [
                 $encoder->resolveXsiTypeForValue($context, $value),

tests/PhpCompatibility/Schema036Test.php

@@ -49,7 +49,7 @@ protected function expectXml(): string
                 <tns:test>
                     <testParam xsi:type="tns:testType">
                         <int xsi:type="xsd:int">123</int>
-                        <testType2 xsi:type="tns:testType2">
+                        <testType2>
                             <int xsi:type="xsd:int">123</int>
                         </testType2>
                     </testParam>