- First draft of current WIP

src/Query/Fragment.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Ulmus\Query;
+
+abstract class Fragment {
+
+    public int $order = 0;
+
+    public abstract function render() : string;
+
+    protected function renderSegments(array $segments, string $glue = " ") : string
+    {
+        return implode($glue, array_filter($segments));
+    }
+}