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<div class="form-group">
<input type="text" class="form-control" name="largeur" required placeholder="Largeur">
</div>
<div class="form-group">
<input type="text" class="form-control" name="longueur" required placeholder="Longueur">
</div>
<div class="mbr-buttons mbr-buttons--right"><button type="submit" class="mbr-buttons__btn btn btn-lg btn-danger" style="margin-bottom:50px;">CALCULER</button></div>
<form action="" method="post">
<?php if(isset($_POST['largeur'])){?>
<?php $surf=$_POST['largeur']*$_POST['longueur']; ?>
<label for="nom" class="libel col-lg-6">Surface:</label><div class="form-group col-lg-6"><input type="text" class="form-control" name="surface" value="<?php echo $surf?> M²"></div>
<?php }else{?>
<label for="nom" class="libel col-lg-6">Surface:</label><div class="form-group col-lg-6"><input type="text" class="form-control" name="surface" value="0"></div>
<?php }?>
<form action="" method="post">
<label>
<input type="submit" name="valid" id="bouton" value="Envoyer" />
</label>
<?php
if (isset($_POST['valid'])) {
if ($_POST['valid'] == "Envoyer") {
calcule($surf);
}
?>
</form>
<?php
function calcule($val){
echo '$val';
}
?> |