Prova così:
Codice PHP:
<?php
error_reporting(E_ERROR);
$connect=mysql_connect("localhost","root","");
mysql_select_db("forum",$connect);
$query="SELECT* FROM utenti WHERE Username='".$_POST['Username']."'";
$ris=mysql_query($query);
if(mysql_num_rows($ris)>0){
echo "Username gia in uso";
}
else{
if(strcmp($_POST['Password'],$_POST['Conferma_Password'])!=0){
echo "Le due Password Coincidono";
}
else{
}
}
?>![]()
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