<?php
if (isset($POST['valider']))
{
if (!empty($_POST['nom']) AND !empty($_POST['prenom'])AND !empty($_POST['mail']) AND !empty($_POST['message']))
{
}
else{
$msg="Veuillez remplir tous les champs";
}
}
?>
<?php
if (isset($msg)){
echo $msg;
}
?>
<form id="message" method="POST" action="">
<input type="text" placeholder="Entrez votre nom" name="nom" id="nom" value="<?php if (isset($_POST['nom'])) echo $_POST['nom'];?>"/>
<input type="text" name="prenom" placeholder="Entrez votre prenom" id="prenom"/><br/><br/>
<input type="email" name="mail" class="mail" placeholder="Entrez votre E-mail" id="mail"/ ><br/><br/>
<textarea id="text" name="message" placeholder="Votre message" id="text">
</textarea><br/><br/>
<input type="submit" class="valider" name="valider" value="Envoyer votre message">
</form>