[php] Add missing runmes for overload_* testcases

Examples/test-suite/php/overload_copy_runme.php

@@ -0,0 +1,13 @@
+<?php
+require "tests.php";
+
+// No new functions
+check::functions(array());
+check::classes(array('Foo'));
+// No new vars
+check::globals(array());
+
+$f = new Foo();
+$g = new Foo($f);
+
+check::done();