Untitled

<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>


<body>

<?php
if ($nameErr = $emailErr = $messageErr = $numberErr = 0) {
  echo "félicitations!";
}
 ?>


  <?php
  $nameErr = $emailErr = $messageErr = $numberErr = "";
  $name = $email = $message = $number = "";

  if ($_SERVER["REQUEST_METHOD"] == "POST")
  {
    if (empty($_POST["name"]))
    {
      $nameErr = "Name is required";
    }
    else
    {
    $name = test_input($_POST["name"]);
    if (!preg_match("/^[a-zA-Z ]*$/",$name)) {
      $nameErr = "Only letters and white space allowed";
    }
  }
  }

  if (empty($_POST["email"])) {
    $emailErr = "Email is required";
  } else {
    $email = test_input($_POST["email"]);
    if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
      $emailErr = "Invalid email format";
    }
  }

  if (empty($_POST["message"])) {
    $messageErr = "Message is required";
  } else {
    $message = test_input($_POST["message"]);
  }

  if (empty($_POST["number"])) {
    $numberErr = "number is required";
  } else {
    $number = test_input($_POST["number"]);
    if (!preg_match("/^(?:0|\(?\+33\)?\s?|0033\s?)[1-79](?:[\.\-\s]?\d\d){4}$/",$number)) {
      $numberErr = "incorrect number";
    }
  }


  function test_input($data) {
  $data = trim($data);
  $data = stripslashes($data);
  $data = htmlspecialchars($data);
  return $data;
  }
  ?>


  <form action="form.php" method="post">
    <div>
        <label for="name">Nom :</label>
        <input type="text" id="name" name="name" required><?php echo $nameErr ?>
    </div>

    <div>
        <label for="courriel">email :</label>
        <input type="email" id="email" name="email" pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}$" required value="<?php echo $email;?>">
  <span class="error">* <?php echo $emailErr;?></span>
    </div>

    <div>
        <label for="message">Message :</label>
        <textarea id="message" name="message" required></textarea><?php echo $messageErr;?>
    </div>

    <div>
           <label for="numberrange">Numero</label>
           <input type="text" id="number" name="number" min="10" max="10" pattern="^(?:0|\(?\+33\)?\s?|0033\s?)[1-79](?:[\.\-\s]?\d\d){4}$" required>
           <?php echo $numberErr; ?>
       </div>


    <div>
      <select name="select">
 <option value="avis">avis</option>
 <option value="recommendations">recommendations</option>
 <option value="plaintes">plaintes</option>
</select>
</div>

    <div class="button">
        <button type="submit" name="submit">Envoyer votre message</button>
    </div>
</form>

</body>

</html>