xPDOQuery::andCondition
Add an AND condition to the WHERE clause.
Syntax
API Docs: http://api.modxcms.com/xpdo/om/xPDOQuery.html#andCondition
void andCondition ( $conditions, [ $binding = null], [ $group = 0])
Example
Grab all Boxes with width of 12 and height of 4.
$query = $xpdo->newQuery('Box');
$query->where(array('width' => 12));
$query->andCondition(array('height' => 4));
$boxes = $xpdo->getCollection('Box',$query);