quizz pm

<?php 
if(!is_user_logged_in()){
     wp_redirect('https://www.kademia.tn/wp-login.php');
    exit;
}
$msg="";
$url= bp_learndash_adminbar_nav_link(bp_learndash_profile_courses_slug());
$user_id = get_current_user_id();  
if($_POST){
if ((trim($_POST['question1'])=="9789938210132")&&(trim($_POST['question2'])=="171")&&($_POST['choices']=="valeur1")){
$level = pmpro_getLevel(104);
if(!empty($level->expiration_number))
  {
	$custom_level = array(
		'user_id' => $user_id,
		'membership_id' => 104,
		'code_id' => '',
		'initial_payment' => $level->initial_payment,
		'billing_amount' => $level->billing_amount,
		'cycle_number' => $level->cycle_number,
		'cycle_period' => $level->cycle_period,
		'billing_limit' => $level->billing_limit,
		'trial_amount' => $level->trial_amount,
		'trial_limit' => $level->trial_limit,
		'startdate' => "'" . current_time('mysql') . "'",
		'enddate' => date("Y-m-d", strtotime("+" . $level->expiration_number . " " . $level->expiration_period)),
	);
			
	pmpro_changeMembershipLevel($custom_level, get_current_user_id());
    return wp_redirect($url);

}
else {
	pmpro_changeMembershipLevel($level, get_current_user_id());
    return wp_redirect($url);

}
}
else if ((trim($_POST['question1'])=="9789938210132")&&(trim($_POST['question2'])=="171")&&($_POST['choices2']=="valeur2")){
$level = pmpro_getLevel(104);
if(!empty($level->expiration_number))
  {
	$custom_level = array(
		'user_id' => $user_id,
		'membership_id' => 104,
		'code_id' => '',
		'initial_payment' => $level->initial_payment,
		'billing_amount' => $level->billing_amount,
		'cycle_number' => $level->cycle_number,
		'cycle_period' => $level->cycle_period,
		'billing_limit' => $level->billing_limit,
		'trial_amount' => $level->trial_amount,
		'trial_limit' => $level->trial_limit,
		'startdate' => "'" . current_time('mysql') . "'",
		'enddate' => date("Y-m-d", strtotime("+" . $level->expiration_number . " " . $level->expiration_period)),
	);
			
	pmpro_changeMembershipLevel($custom_level, get_current_user_id());
    return wp_redirect($url);

}
else {
	pmpro_changeMembershipLevel($level, get_current_user_id());
    return wp_redirect($url);

}
}
else if ((trim($_POST['question1'])=="9789938210132")&&(trim($_POST['question2'])=="171")&&($_POST['choices3']=="valeur3")){
$level = pmpro_getLevel(104);
if(!empty($level->expiration_number))
  {
	$custom_level = array(
		'user_id' => $user_id,
		'membership_id' => 104,
		'code_id' => '',
		'initial_payment' => $level->initial_payment,
		'billing_amount' => $level->billing_amount,
		'cycle_number' => $level->cycle_number,
		'cycle_period' => $level->cycle_period,
		'billing_limit' => $level->billing_limit,
		'trial_amount' => $level->trial_amount,
		'trial_limit' => $level->trial_limit,
		'startdate' => "'" . current_time('mysql') . "'",
		'enddate' => date("Y-m-d", strtotime("+" . $level->expiration_number . " " . $level->expiration_period)),
	);
			
	pmpro_changeMembershipLevel($custom_level, get_current_user_id());
    return wp_redirect($url);

}
else {
	pmpro_changeMembershipLevel($level, get_current_user_id());
    return wp_redirect($url);

}
}
    else{
     $msg="vérifiez encore ..!";
}
}
        
?>
<?php get_header(); ?>
<script>
 var textarray = [
 "Question 1",
 "Question 2",
 "Question 3"
     // pas virgule aprés dernier champs du tableau //
];

function RndText() {
  var rannum= Math.floor(Math.random()*textarray.length);
    if(textarray[rannum]=="Question 1"){
        document.getElementById('select1').style.display="initial";
        document.getElementById('select2').style.display="none";
        document.getElementById('select3').style.display="none";
    } else if(textarray[rannum]=="Question 2"){
       document.getElementById('select1').style.display="none";
        document.getElementById('select2').style.display="initial";
        document.getElementById('select3').style.display="none";
    }else if (textarray[rannum]="Question 3"){
        document.getElementById('select1').style.display="none";
        document.getElementById('select2').style.display="none";
        document.getElementById('select3').style.display="initial";    } 
}
window.onload = function() { RndText();}


</script>
<style>
    .formpara{
        margin-top:100px;
    }
    
     label , input,button,.choixmultiple,.titre3{
         margin-left: 40px;
        display:block;
    }
    label[for="choices"],label[for="choices2"],label[for="choices3"]{
        margin-left:0px;
    }
   
    select{
        width: 200px;
    }
    .titre3{
    font-family: 'Domine', serif,"verdana",sans-serif,cursive,monospace;

    }
    input[type="text"],button[type="submit"]{
        width:auto;
        height: auto;
    }
    button[type="submit"]{
        margin-top: 40px;
        background-color: cadetblue;
    }
    .formpara{
        display: block;
    }
    @media (max-width:800px){
     label , input,button,.choixmultiple,.titre3{
         margin-left: auto;
        display:block;
    }
        label[for="choices"],label[for="choices2"],label[for="choices3"]{
        margin-left:auto;
    }

    }
</style>
<link href="https://fonts.googleapis.com/css?family=Domine" rel="stylesheet">

<div class="formpara">
<meta charset="utf-8"/>
<h2>Répondez aux questions pour activer votre abonnement ( livre Mathématiques-Anglais-1ère année)</h2>
<br/>
<form method="post">
<meta charset="utf-8"/>
<label for="question1">Veuillez taper le code secret indiqué à la page de présentation du livre :</label>
<input type="text" required name="question1"/>
<br/>
<label for="question2">Quel est le nombre de pages de ce livre ?</label>
<input type="text" required name="question2"/>
<br/>
<div id="select1" class="choixmultiple">
<label for="choices">Quel est le dernier mot sur la page N°52 ?</label>
<SELECT  required name="choices">
            <option value="valeur1">Times</option>
            <option value="valeur2" selected>Days</option>
            <option value="valeur3">Night</option>
          </SELECT>
</div>

 <div id="select2" class="choixmultiple">
<label for="choices2">Quel est le dernier mot sur la page N°60 ?</label>
<SELECT  required name="choices2">
            <option value="valeur1">Skills</option>
            <option value="valeur2">Drawer</option>
            <option value="valeur3">Imaginations</option>
</SELECT>
    </div>   
<div id="select3" class="choixmultiple">
<label for="choices3">Quel est le dernier mot sur la page N°25 ?</label>
<SELECT  required name="choices3">
            <option value="valeur1">Justifié</option>
            <option value="valeur2">Aligné</option>
            <option value="valeur3">Associés</option>
          </SELECT>
    </div>    
        <br/>
            <button id="button"  type="submit" class="btn btn-default">Valider mon abonnement</button>

    </form>  
<p><?php echo $msg; ?></p>
</div>
<?php get_footer(); ?>