chore: import upstream snapshot with attribution

tests/fixtures/sample_php_static_prop.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Theme;
+
+class DefaultPalette
+{
+    public static string $primary = '#3366ff';
+    public static string $accent = '#ff6633';
+}
+
+class ColorResolver
+{
+    public function primary(): string
+    {
+        return DefaultPalette::$primary;
+    }
+
+    public function accent(): string
+    {
+        return DefaultPalette::$accent;
+    }
+}