<?php public function testAdvancedRender() {
file_put_contents($this->tpl_file, '{{str}}, {{json.value}}, {{json.arr.0.value}}, {{obj.prop}}, {{obj.this.prop}}, {{obj.arr.arr.0}}, {{arr.arr.arr.value}}, {{arr.obj.prop}}');
$plates = [
'str' => 'ok',
'json' => '{"value": "ok", "arr": [{"value": "ok"}]}',