PHP: NOC2 Employees List

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$employees = ORM::factory('user')
				->where('type','=','employee')
				->and_where('active','=',TRUE)
				->find_all();

		$locs = ORM::factory('location')
				->where('active','=',TRUE)
				->order_by('location','asc')
				->find_all();
			
		$active_employees = array('0'=>'');
		foreach ($locs as $loc) {
			$list = array();
			foreach ($employees as $employee) {
				if ($employee->location_id == $loc->id) {
					$list[$employee->id] = $employee->name;
				}
			}
			$active_employees[$loc->location] = $list;
		}