diff --git a/example/php7.4/Author.php b/example/php7.4/Author.php
index 3059c44..55eac61 100644
--- a/example/php7.4/Author.php
+++ b/example/php7.4/Author.php
@@ -109,14 +109,19 @@ public static function create(array $data): self
     public function toArray(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = preg_replace("/.+\0/", "", $var);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if (is_object($value) && method_exists($value, 'toArray')) {
                 $value = $value->toArray();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
@@ -125,14 +130,19 @@ public function toArray(): array
     public function jsonSerialize(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = substr($var, strrpos($var, "\0") ?: 0);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if ($value instanceof \JsonSerializable) {
                 $value = $value->jsonSerialize();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
diff --git a/example/php7.4/Book.php b/example/php7.4/Book.php
index 95db22d..7739d97 100644
--- a/example/php7.4/Book.php
+++ b/example/php7.4/Book.php
@@ -154,14 +154,19 @@ public static function create(array $data): self
     public function toArray(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = preg_replace("/.+\0/", "", $var);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if (is_object($value) && method_exists($value, 'toArray')) {
                 $value = $value->toArray();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
@@ -170,14 +175,19 @@ public function toArray(): array
     public function jsonSerialize(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = substr($var, strrpos($var, "\0") ?: 0);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if ($value instanceof \JsonSerializable) {
                 $value = $value->jsonSerialize();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
diff --git a/example/php7.4/ScienceBook.php b/example/php7.4/ScienceBook.php
index a8e08d4..e442c1f 100644
--- a/example/php7.4/ScienceBook.php
+++ b/example/php7.4/ScienceBook.php
@@ -115,14 +115,19 @@ public static function create(array $data): self
     public function toArray(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = preg_replace("/.+\0/", "", $var);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if (is_object($value) && method_exists($value, 'toArray')) {
                 $value = $value->toArray();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
@@ -131,14 +136,19 @@ public function toArray(): array
     public function jsonSerialize(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = substr($var, strrpos($var, "\0") ?: 0);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if ($value instanceof \JsonSerializable) {
                 $value = $value->jsonSerialize();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
diff --git a/example/php8.0/Author.php b/example/php8.0/Author.php
index f6ca1f9..1baa58a 100644
--- a/example/php8.0/Author.php
+++ b/example/php8.0/Author.php
@@ -91,14 +91,19 @@ public static function create(array $data): self
     public function toArray(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = preg_replace("/.+\0/", "", $var);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if (is_object($value) && method_exists($value, 'toArray')) {
                 $value = $value->toArray();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
@@ -107,14 +112,19 @@ public function toArray(): array
     public function jsonSerialize(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = substr($var, strrpos($var, "\0") ?: 0);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if ($value instanceof \JsonSerializable) {
                 $value = $value->jsonSerialize();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
diff --git a/example/php8.0/Book.php b/example/php8.0/Book.php
index 11e0542..f9c1a0d 100644
--- a/example/php8.0/Book.php
+++ b/example/php8.0/Book.php
@@ -125,14 +125,19 @@ public static function create(array $data): self
     public function toArray(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = preg_replace("/.+\0/", "", $var);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if (is_object($value) && method_exists($value, 'toArray')) {
                 $value = $value->toArray();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
@@ -141,14 +146,19 @@ public function toArray(): array
     public function jsonSerialize(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = substr($var, strrpos($var, "\0") ?: 0);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if ($value instanceof \JsonSerializable) {
                 $value = $value->jsonSerialize();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
diff --git a/example/php8.0/ScienceBook.php b/example/php8.0/ScienceBook.php
index 808e098..1bfba18 100644
--- a/example/php8.0/ScienceBook.php
+++ b/example/php8.0/ScienceBook.php
@@ -103,14 +103,19 @@ public static function create(array $data): self
     public function toArray(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = preg_replace("/.+\0/", "", $var);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if (is_object($value) && method_exists($value, 'toArray')) {
                 $value = $value->toArray();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
@@ -119,14 +124,19 @@ public function toArray(): array
     public function jsonSerialize(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = substr($var, strrpos($var, "\0") ?: 0);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if ($value instanceof \JsonSerializable) {
                 $value = $value->jsonSerialize();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
diff --git a/example/php8.1/Author.php b/example/php8.1/Author.php
index 11edd0c..3269415 100644
--- a/example/php8.1/Author.php
+++ b/example/php8.1/Author.php
@@ -76,14 +76,19 @@ public static function create(array $data): self
     public function toArray(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = preg_replace("/.+\0/", "", $var);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if (is_object($value) && method_exists($value, 'toArray')) {
                 $value = $value->toArray();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
@@ -92,14 +97,19 @@ public function toArray(): array
     public function jsonSerialize(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = substr($var, strrpos($var, "\0") ?: 0);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if ($value instanceof \JsonSerializable) {
                 $value = $value->jsonSerialize();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
diff --git a/example/php8.1/Book.php b/example/php8.1/Book.php
index 218eb23..240eb5f 100644
--- a/example/php8.1/Book.php
+++ b/example/php8.1/Book.php
@@ -92,14 +92,19 @@ public static function create(array $data): self
     public function toArray(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = preg_replace("/.+\0/", "", $var);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if (is_object($value) && method_exists($value, 'toArray')) {
                 $value = $value->toArray();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
@@ -108,14 +113,19 @@ public function toArray(): array
     public function jsonSerialize(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = substr($var, strrpos($var, "\0") ?: 0);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if ($value instanceof \JsonSerializable) {
                 $value = $value->jsonSerialize();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
diff --git a/example/php8.1/ScienceBook.php b/example/php8.1/ScienceBook.php
index 1ebed93..d865a6a 100644
--- a/example/php8.1/ScienceBook.php
+++ b/example/php8.1/ScienceBook.php
@@ -95,14 +95,19 @@ public static function create(array $data): self
     public function toArray(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = preg_replace("/.+\0/", "", $var);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if (is_object($value) && method_exists($value, 'toArray')) {
                 $value = $value->toArray();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
@@ -111,14 +116,19 @@ public function toArray(): array
     public function jsonSerialize(): array
     {
         $array = [];
-        foreach (get_mangled_object_vars($this) as $var => $value) {
-            $var = substr($var, strrpos($var, "\0") ?: 0);
+        foreach (get_object_vars($this) as $var => $value) {
             if ($value instanceof \DateTimeInterface) {
                 $value = $value->format('Y-m-d\TH:i:sP');
             }
             if ($value instanceof \JsonSerializable) {
                 $value = $value->jsonSerialize();
             }
+            if (class_exists(\UnitEnum::class) && $value instanceof \UnitEnum) {
+                $value = $value->value;
+            }
+            if (is_object($value) && method_exists($value, "__toString")) {
+                $value = (string)$value;
+            }
             $array[$var] = $value;
         }
         return $array;
diff --git a/src/Generator/Builder/Class/ExportMethodsBuilder.php b/src/Generator/Builder/Class/ExportMethodsBuilder.php
index 9d75729..d0f712c 100644
--- a/src/Generator/Builder/Class/ExportMethodsBuilder.php
+++ b/src/Generator/Builder/Class/ExportMethodsBuilder.php
@@ -24,8 +24,7 @@ public function build(Dto $object, PhpNamespace $ns, ClassType $class): void
             $toArrayMethod = $class->addMethod('toArray')
                 ->setPublic()
                 ->addBody('$array = [];')
-                ->addBody('foreach (get_mangled_object_vars($this) as $var => $value) {')
-                ->addBody('    $var = preg_replace("/.+\0/", "", $var);');
+                ->addBody('foreach (get_object_vars($this) as $var => $value) {');
 
             if ($this->dateFormat) {
                 $toArrayMethod
@@ -38,6 +37,12 @@ public function build(Dto $object, PhpNamespace $ns, ClassType $class): void
                 ->addBody('    if (is_object($value) && method_exists($value, ?)) {', [self::TO_ARRAY_METHOD_NAME])
                 ->addBody('        $value = $value->?();', [self::TO_ARRAY_METHOD_NAME])
                 ->addBody('    }')
+                ->addBody('    if (class_exists(\\UnitEnum::class) && $value instanceof \\UnitEnum) {')
+                ->addBody('        $value = $value->value;')
+                ->addBody('    }')
+                ->addBody('    if (is_object($value) && method_exists($value, "__toString")) {')
+                ->addBody('        $value = (string)$value;')
+                ->addBody('    }')
                 ->addBody('    $array[$var] = $value;')
                 ->addBody('}')
                 ->addBody('return $array;')
@@ -50,8 +55,7 @@ public function build(Dto $object, PhpNamespace $ns, ClassType $class): void
                 ->setPublic()
                 ->setReturnType('array')
                 ->addBody('$array = [];')
-                ->addBody('foreach (get_mangled_object_vars($this) as $var => $value) {')
-                ->addBody('    $var = substr($var, strrpos($var, "\\0") ?: 0);');
+                ->addBody('foreach (get_object_vars($this) as $var => $value) {');
 
             if ($this->dateFormat) {
                 $jsonSerializeMethod
@@ -64,10 +68,15 @@ public function build(Dto $object, PhpNamespace $ns, ClassType $class): void
                 ->addBody('    if ($value instanceof \\JsonSerializable) {')
                 ->addBody('        $value = $value->jsonSerialize();')
                 ->addBody('    }')
+                ->addBody('    if (class_exists(\\UnitEnum::class) && $value instanceof \\UnitEnum) {')
+                ->addBody('        $value = $value->value;')
+                ->addBody('    }')
+                ->addBody('    if (is_object($value) && method_exists($value, "__toString")) {')
+                ->addBody('        $value = (string)$value;')
+                ->addBody('    }')
                 ->addBody('    $array[$var] = $value;')
                 ->addBody('}')
                 ->addBody('return $array;');
         }
     }
 }
-