Input hidden

<?php
$i=1;
while($i <= 40) { 
echo"<p align='center'> <font size='6'> Question ".$i.": </font></p> <br>".$_POST['question'.$i].'<br>';

	if (isset($_POST['reponse'.$i]))
	{
	
      echo "<p align='center'> Vous avez choisi :  ".$_POST['reponse'.$i]."</p> <br>";
	echo "<p align='center'> La bonne réponse est : ".$_POST['juste'.$i]."</p> <br>";
	}
	else
	{
      echo "<p align='center'> Vous n'avez rien choisi </p> <br>" ;
	}
$i++;
 }
?>

<form method="post" action="correction.php">
<?php	
$bdd = new PDO('mysql:host=localhost;dbname=quizz','root', '');	
$reponse = $bdd->query('SELECT * FROM qcm order by rand()');
$i=0;
$j=1;
while ($donnees = $reponse->fetch())
{

$i++;
$j++;
echo "<div id='Question".$i."'><p align='center'><font size='6'>Question".$i.": </font> </p> </div>  <br> <p align='center'>".$donnees['question']." </p>";	
?> <BR>
<tr><td> <p align='center' > <input type="radio" name="<?php echo 'reponse'.$i; ?>" value="<?php echo $donnees['rep1']; ?>"/> 
<?php echo $donnees['rep1']; ?></td></tr> <BR> </p>
<tr><td> <p align='center' ><input type="radio" name="<?php echo 'reponse'.$i; ?>" value="<?php echo $donnees['rep2']; ?>"/>
<?php echo $donnees['rep2']; ?></td></tr> <BR> </p>
<tr><td> <p align='center' ><input type="radio" name="<?php echo 'reponse'.$i; ?>" value="<?php echo $donnees['rep3']; ?>"/>
<?php echo $donnees['rep3']; ?>	 </td></tr> <BR> </p>
<input type="hidden" name="<?php echo 'question'.$i; ?>" value="<?php echo $donnees['question']; ?>"/>
<input type="hidden" name="<?php echo 'juste'.$i; ?>" value="<?php echo $donnees['rep_juste']; ?>"/> 
<input type="hidden" name="<?php echo'commentaire'.$i; ?>" value="<?php echo $donnees['commentaire']; ?>" />
 
<br>
<?php 
	if($i<26){
		echo "<p align='center'><a class='stylebouton' href='#Question".$j."' rel="nofollow noopener noreferrer" target="_blank">Suivant</a> </p>";
	}
	else {
		echo "<p align='center'><input name='corriger' type='submit' value='Correction' </p>";
		

	}
}
?>
</form>