Hook: beforeProductlistOutput

/*
 * -- Registration: --
 * $GLOBALS['MERCONIS_HOOKS']['beforeProductlistOutput'][] = array('myMerconisHookClass', 'myBeforeProductlistOutput');
 *
 * -- Invocation: --
 * Before a product list is rendered.
 *
 * -- Parameters: --
 *	1. $productListID - information about which product list this call is related to
 *	2. $arrProducts - an array containing the product ids of the products to display in the product list
 *
 * -- Return value: --
 * $arrProducts
 *
 * -- Objective: --
 * e.g. manipulation of the product list output (custom crossSeller types can
 * be created this way)
 *  
 */

public function myBeforeProductlistOutput($productListID, $arrProducts) {
	
	/*
	 * Example: Manipulate the product list of a specific crossSeller
	 * in order to create a custom crossSeller type (here: random crossSeller)
	 */
	
	if ($productListID == 'crossSeller_42') {
		$arrProducts = array();
		$this->import('Database');
		$productsInDbWithOddIDs = $this->Database->prepare("
			SELECT    `id`
			FROM      `tl_ls_shop_product`
			ORDER BY  RAND()
		")
		->limit(10)
		->execute();
		while ($productsInDbWithOddIDs->next()) {
			$arrProducts[] = $productsInDbWithOddIDs->id;
		}
	}
	
	return $arrProducts;
}