function testApplyRecursive()
{
$rule = new DeclFilter_CatchAllFilterRule('digits');
$rule->applyOnElements();
$data = array('hello' => array('abc123', 'abc456'));
$rule->apply($data, 'hello');
$this->assertEquals($data['hello'][0], '123');
$this->assertEquals($data['hello'][1], '456');
}
/**
* Adds a catch-all rule with a default filter. Will apply on all values
* not covered by previous rules. This must be the last rule applied. The
* filter will only be applied on array elements.
*
* @var mixed Filter object or filter name
*/
function addCatchAllFilter($filter)
{
require_once 'DeclFilter/CatchAllFilterRule.php';
$rule = new DeclFilter_CatchAllFilterRule($filter);
$rule->applyOnElements();
$this->rules[] = $rule;
}