result_rec.php

См. документацию.

<?
global $MESS;
$MESS["SALE_CHR_REC_ORDER"] = "Order ID unknown.";
$MESS["SALE_CHR_REC_SUMM"] = "Invalid data. Amounts do not match.";
$MESS["SALE_CHR_REC_TRANS"] = "Invalid data. Invalid transaction type.";
$MESS["SALE_CHR_REC_SIGN"] = "Invalid data. Signature does not match.";
$MESS["SALE_CHR_REC_PRODUCT"] = "Invalid data. Invalid product.";
?>