Array format: the "variable" namespace.

>>>>templates/test.tpl
{$variable}
{$global.variable}

>>>>data.php
$view->variable = 'FOO';
Opt_View::assignGlobal('variable', 'BAR');

$view->setFormat('variable', 'Array');
Opt_View::setFormatGlobal('variable', 'Array');

>>>>expected.txt
OUTPUT

>>>>result.txt
FOO
BAR