mi stampa il valore 1 che è il valore corretto.
per quanto riguarda le tue domande sulla query, no non viene modificata ma viene fatto un controllo.
Ti stampo il codice annesso alla query:
Codice PHP:
<?php                                                        echo $row['id'];
                                                            
$querya "SELECT * FROM s WHERE ids = ".$row['id']."";
                                                            
var_dump($querya);
                                                            
$querys "SELECT EXIST($querya) AS stato";
                                                            
var_dump($querys); 
                                                            
$results mysql_query($querys) or die ("Error: ".mysql_error());
                                                            
$records mysql_fetch_array($results);
                                                            
$stato $records['stato'];
                                                            if(
$stato == '0'){
                                                        
?>
                                                                <input type="radio" name="radio" value="PRESENTE" />
                                                        <?php
                                                            
}else{
                                                        
?>
                                                                <input type="radio" name="radio" value="PRESENTE" checked="checked"/>
                                                        <?php
                                                            
}
                                                        
?>