Validating email and username

[Guest_imported]

I'm trying to add somethig that checks the table if the username or email address exists when submitting a form. Can someone please help me do that?

 

[daca]

What table are you talking about??? ...
Do you want to take the values from the form and use it to check in DB table??? If so I can help you...but I need more information Someone who has never served other is someone that has never lived...

 

[Guest_imported]

I want to take the values of the form then check any matches for the username and email fields throughout the table. And if it returns false, I'll print an error message. I want to have an error message for each one (username/email verification).

Thanks alot.

 

[daca]

Try something like this... Using sessions is better

$dominio = $GLOBALS['dominio']; //Var from the form
$password = $GLOBALS['password']; //Var from the form

//Hace la sesion si el login y password estan correctos
if (isset($dominio)) {
$sql = "select * from clientes where nombre_dominio='$dominio' and ";
$sql = $sql . "password='$password'";
$res = mysql_query($sql);
$n = mysql_num_rows($res);

//Si no existe dominio y/o password
if($n == 0) {
$error_login++;

//Existe dominio y password
} else {
$ses = mysql_fetch_object($res);
sesion_login($ses->clave_dominio);
//Segun el tipo de usuario abre aplicación clientes o administrador
if($id == 1) {
redirect_url("admin.php"
} else {
redirect_url("clientes.php"
}
}
}
Someone who has never served other is someone that has never lived...