i did as you said and it inserted a code but there is an error in the insert, here the error is in line 9.
1 <?php
2 if ($_SERVER["REQUEST_METHOD"] == "POST") {
3 $WAFV_Redirect = "checkout.php";
4 $_SESSION['WAVT_checkout_743_Errors'] = "";
5 if ($WAFV_Redirect == "") {
6 $WAFV_Redirect = $_SERVER["PHP_SELF"];
7 }
8 $WAFV_Errors = "";
9 $WAFV_Errors .= WAValidateRT(no po box . ""," po box| po box, p.o. box| p.o. box, Po Box| Po Box, PO BOX| PO BOX, P.O. BOX| P.O. BOX, po BOX| po BOX",true,1);
10
11 if ($WAFV_Errors != "") {
12 PostResult($WAFV_Redirect,$WAFV_Errors,"checkout_743");
13 }
14 }
15 ?>