SplDatastructure format and decoration.

>>>>templates/test.tpl
<opt:section name="foo">
{$foo.item}:{$system.section.foo.size}
</opt:section>

>>>>data.php

class SplDatastructure10Class implements Countable
{
	public $item;
	public $extra;

	public function count()
	{
		return 2;
	} // end count();
}

$obj1 = new SplDatastructure10Class;
$obj1->item = 'FOO';

$obj2 = new SplDatastructure10Class;
$obj2->item = 'BAR';

$spl1 = new SplDoublyLinkedList;
$spl1->push($obj1);
$spl1->push($obj2);

$view->foo = $spl1;
$view->setFormat('foo', 'SplDatastructure/Objective');

>>>>expected.txt
OUTPUT

>>>>result.txt
FOO:2
BAR:2