Matrix headers with Product Node Reference

	$thisNode = $element['#node'];
	//Finding the Key the Product1 is in
	$product1Key = 0;
	foreach ($header as $key=>$item) {
		if (preg_match('/.*Product1.*/',$item)) {
			$product1Key = $key;
		}
	}

	$j=1;
	for ($i=$product1Key;$i<=$product1Key+4;$i++) {
		$fieldProduct = 'field_product'.$j;
		$theProduct = $thisNode->$fieldProduct;
		$productId = $theProduct[0]['nid'];
		$productName = $theProduct[0]['safe']['title'];
		$header[$i] =  '<a href="'.base_path().'node/'.$productId.'">'.$productName.'</a>';
		$j++;
	}