Magento: addAttributeToFilter and OR condition in Collection

// Add OR condition:
$collection->addAttributeToFilter(array(
    array(
        'attribute' => 'field_name',
        'in'        => array(1, 2, 3),
        ),
    array(
        'attribute' => 'date_field',
        'from'      => '2000-09-10',
        ),
    ));

Defined at Magento Wiki...