an example of the server validation code block would be:
<?php
if (isset($_POST["SimpleContact_submit_x"])) {
$WAFV_Redirect = "".(htmlentities($_SERVER["PHP_SELF"], ENT_QUOTES)) ."?invalid=true";
$_SESSION['WAVT_contactus_Errors'] = "";
if ($WAFV_Redirect == "") {
$WAFV_Redirect = $_SERVER["PHP_SELF"];
}
$WAFV_Errors = "";
$WAFV_Errors .= WAValidateRQ((isset($_POST["Full_Name"])?$_POST["Full_Name"]:"") . "",true,1);
$WAFV_Errors .= WAValidateEM((isset($_POST["Email_Address"])?$_POST["Email_Address"]:"") . "",true,2);
$WAFV_Errors .= WAValidateRQ((isset($_POST["Comments"])?$_POST["Comments"]:"") . "",true,3);
$WAFV_Errors .= WAValidateLE((strtolower(isset($_POST["Security_Code"])?$_POST["Security_Code"]:"")) . "",((isset($_SESSION["captcha_Security_Code"]))?strtolower($_SESSION["captcha_Security_Code"]):"") . "",true,4);
$WAFV_Errors .= WAValidateLE((strtolower(isset($_POST["Security_Answer"])?$_POST["Security_Answer"]:"")) . "",((isset($_SESSION["random_answer"]))?strtolower($_SESSION["random_answer"]):"") . "",true,5);
$WAFV_Errors .= WAValidateRX((isset($_POST["Hidden_Field"])?$_POST["Hidden_Field"]:"") . "","/.* /",false,6);
if ($WAFV_Errors != "") {
PostResult($WAFV_Redirect,$WAFV_Errors,"contactus");
}
}
?>