Add benchmark to convert BSON structures to PHP via iteration

Author: alcaeus

benchmark/BSON/DocumentBench.php

@@ -5,6 +5,7 @@
 use MongoDB\Benchmark\BaseBench;
 use MongoDB\BSON\Document;
 use PhpBench\Attributes\BeforeMethods;
+use stdClass;
 
 use function file_get_contents;
 use function iterator_to_array;
@@ -49,6 +50,15 @@ public function benchToPHPObject(): void
         self::$document->toPHP();
     }
 
+    public function benchToPHPObjectViaIteration(): void
+    {
+        $object = new stdClass();
+
+        foreach (self::$document as $key => $value) {
+            $object->$key = $value;
+        }
+    }
+
     public function benchToPHPArray(): void
     {
         self::$document->toPHP(['root' => 'array']);

benchmark/BSON/PackedArrayBench.php

@@ -55,6 +55,15 @@ public function benchToPHPArray(): void
         self::$array->toPHP();
     }
 
+    public function benchToPHPArrayViaIteration(): void
+    {
+        $array = [];
+
+        foreach (self::$array as $key => $value) {
+            $array[$key] = $value;
+        }
+    }
+
     public function benchIteration(): void
     {
         // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedForeach