Add ArrayResultSet

Dedicated ResultSet implementation for plain-array rows, decoupled from
ArrayObjectResultSetInterface's row-prototype capability entirely.

Author: tyrsson

src/ResultSet/ArrayResultSet.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpDb\ResultSet;
+
+use Override;
+
+class ArrayResultSet extends AbstractResultSet
+{
+    /** {@inheritDoc} */
+    #[Override]
+    public function toArray(): array
+    {
+        $return = [];
+        foreach ($this as $row) {
+            $return[] = $row;
+        }
+
+        return $return;
+    }
+}