silverstripe-framework/tests/php/View/SSViewerTest/LevelTestData.php

<?php

namespace SilverStripe\View\Tests\SSViewerTest;

use SilverStripe\Dev\TestOnly;
use SilverStripe\ORM\ArrayList;
use SilverStripe\View\ViewableData;

class LevelTestData extends ViewableData implements TestOnly
{
	protected $depth;

	public function __construct($depth = 1)
	{
		parent::__construct();
		$this->depth = $depth;
	}

	public function output($val)
	{
		return "$this->depth-$val";
	}

	public function forLoop($number)
	{
		$ret = array();
		for ($i = 0; $i < (int)$number; ++$i) {
			$ret[] = new TestObject("!$i");
		}
		return new ArrayList($ret);
	}

	public function forWith($number)
	{
		return new self($number);
	}
}