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YesSoftware Forums -> CodeCharge Studio -> PHP

 database connections

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2advanced

Posts:
Posted: 07/18/2015, 12:00 PM

I have a registration page with a username field and on the username field I have beforeshow

but not sure if I am doing it correctly

function checkuser() {
if(isset($_POST['username']))
{
$username= $_POST['username'];
$sql = mysql_query("select user_id from users where soldier='$username");
if(mysql_num_rows($sql))
{
echo 'Taken.';
}
else
{
echo 'OK';
}
}
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MichaelMcDonald

Posts: 636
Posted: 07/18/2015, 2:55 PM

You can use the required Unique attribute in the field properties or write your own validation using a query like:

$db = new clsDBConnection1();

$SQL = "SELECT user_id from users WHERE username = '$username'";
$db->query($SQL);

if($user_id > 0){
$Container->Errors->addError("Username Taken");
}

$db->close();


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Central Coast, NSW, Australia.

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