fix

src/Naneau/Obfuscator/Node/Visitor/ScrambleUse.php

@@ -123,7 +123,7 @@ public function enterNode(Node $node)
             return $node;
         }
 
-        if ($node instanceof Node\Stmt\ClassMethod) {
+        if ($node instanceof Node\Stmt\ClassMethod || $node instanceof Node\Expr\Closure) {
 
             if ($node->returnType instanceof Name) {
                 // Name

tests/before/Namespaces.php

@@ -36,6 +36,8 @@ public function __construct() {
 class classE extends namespaceDAlias\classD implements namespaceDAlias\interfaceA {
 
     public function method(?namespaceDAlias\classD $objectD) : ?namespaceDAlias\classD {
+        $func = function () : ?namespaceDAlias\classD {
 
+        };
     }
 }

tests/expected/Namespaces.php

@@ -1,2 +1,2 @@
 <?php
-namespace namespaceA; class classA { } namespace namespaceC\namespaceD; class classD { } interface interfaceA { } namespace namespaceB; use namespaceA\classA as spf0f507; use namespaceC\namespaceD as sp63627e; class classB { private $spa26210; private $sp2e1034; public function __construct() { $this->spa26210 = new spf0f507(); $this->sp2e1034 = new sp63627e\classD(); } } class classE extends sp63627e\classD implements sp63627e\interfaceA { public function method(?sp63627e\classD $spc1ac55) : ?sp63627e\classD { } }
+namespace namespaceA; class classA { } namespace namespaceC\namespaceD; class classD { } interface interfaceA { } namespace namespaceB; use namespaceA\classA as spf0f507; use namespaceC\namespaceD as sp63627e; class classB { private $spa26210; private $sp2e1034; public function __construct() { $this->spa26210 = new spf0f507(); $this->sp2e1034 = new sp63627e\classD(); } } class classE extends sp63627e\classD implements sp63627e\interfaceA { public function method(?sp63627e\classD $spc1ac55) : ?sp63627e\classD { $sp7009a4 = function () : ?sp63627e\classD { }; } }