Logging User access

Question

LAMP system DWMX 6.1
I have a table "USERS" which contains, as you'd expect, User,
password, accesspermissions. This I use for controlling access.
I have also added a new column of lastaccessed.
What I am trying to acheive is a timestamp on first login but
I'm not sure how to go about this.
I attach the login code block for ref.
<form ACTION="<?php echo $loginFormAction; ?>"
method="POST" name="form1"
onSubmit="YY_checkform('form1','Username','#q','0','* Username
field cannot be empty *','Password','#q','0','* Password field
cannot be empty *');return document.MM_returnValue">
<p align="center"><font face="Arial">Username
<input name="Username" type="text" id="Username">
</font></p>
<p align="center"><font face="Arial">Password
<input name="Password" type="password" id="Password">
</font></p>
<p align="center"><font face="Arial">
<input type="submit" name="Submit" value="Login">
</font></p>
</form>

Answer 1

Thanks for this
I'm running on LAMP (Linux, Apache, MySQL, PHP)
I have set the main "lastaccessed" column via myphpadmin to
timestamp format but am still quite new at coding so will need some
help with the code and positioning. (Use DW to construct the code -
lazy I know but I'm short on time!)
I would think it would go something like this...
if (isset($HTTP_POST_VARS['Username'])) {
$loginUsername=$HTTP_POST_VARS['Username'];
$password=$HTTP_POST_VARS['Password'];
$MM_fldUserAuthorization = "ACCESSPERM";
$MM_redirectLoginSuccess = "/loginsuccess.htm";
$MM_redirectLoginFailed = "/loginfailed.php";
$MM_redirecttoReferrer = false;
$updateSQL = sprintf("UPDATE DBUSERS SET LASTACCESSED=%s",
GetSQLValueString($HTTP_POST_VARS['nowdatefield'], "text"));
mysql_select_db($database_dbcrm1, $dbcrm1);
$LoginRS__query=sprintf("SELECT USER, PASSWORD, ACCESSPERM
FROM DBUSERS WHERE USER='%s' AND PASSWORD='%s'",
get_magic_quotes_gpc() ? $loginUsername :
addslashes($loginUsername), get_magic_quotes_gpc() ? $password :
addslashes($password));
$LoginRS = mysql_query($LoginRS__query, $dbcrm1) or
die(mysql_error());
$loginFoundUser = mysql_num_rows($LoginRS);
if ($loginFoundUser) {
$loginStrGroup = mysql_result($LoginRS,0,'ACCESSPERM');
Probably way off but at least I'm trying!