Untitled

<?php

$firstname_user = $lastname_user = $user_mail = $phone = "";

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


  if (empty($_POST["lastname_user"])) {
    $lastname_userErr = "Last Name is required";
  } else {
    $lastname_user = test_input($_POST["lastname_user"]);
	    if (!preg_match("/^[a-zA-Z \-]*$/",$lastname_user)) {
	  		$lastname_userErr = "Only letters and white space allowed";
  		}
  	}

  if (empty($_POST["user_mail"])) {
    $user_mailErr = "E-mail is required";
  } else {
    $user_mail = test_input($_POST["user_mail"]);
	    if (!filter_var($user_mail, FILTER_VALIDATE_EMAIL)) {
	  		$user_mailErr = "Invalid email format";
			}
  	}

  if (empty($_POST["phone"])) {
    $phoneErr = "Phone number is required";
  } else {
    $phone = test_input($_POST["phone"]);
  	}
}

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


<!DOCTYPE html>
<html>
<head>
	<title>formulaire</title>
</head>

<body>
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>" method="post">
	<div>
		<label for="name">First Name</label><br>
		<input type="text" id="name" name="firstname_user" pattern="[a-zA-Z -]+" required>
		<span class="error">* <?php echo $firstname_userErr;?></span>
	</div>
	<div>
		<label for="name">Last Name</label><br>
		<input type="text" id="name" name="lastname_user" pattern="[a-zA-Z -]+" required>
		<span class="error">* <?php echo $lastname_userErr;?></span>
	</div>
	<div>
		<label for="email">E-mail</label><br>
		<input type="email" id="email" name="user_mail" required>
		<span class="error">* <?php echo $user_mailErr;?></span>
	</div>
	<div>
		<label for="phone">Phone number</label><br>
		<input type="tel" id="phone" name="phone" pattern="[0-9]{2}[0-9]{2}[0-9]{2}[0-9]{2}[0-9]{2}" required><br>
		<span class="error">* <?php echo $phoneErr;?></span>
		<span class="notephone">Format : 0102030405</span><br><br>
	</div>
	<div>
		<label for="subject">Subject</label><br>
		<select name="subject">
			<option value="1">1</option>
			<option value="2">2</option>
			<option value="3">3</option>
		</select>
	</div>
	<div>
		<label for="msg">Request</label><br>
		<textarea id="msg" name="user_message"></textarea>
	</div>
	<div class="button">
		<button type="submit">Submit</button>
	</div>
</form>

</body>
</html>

<?php

/* Redirect browser */
header("Location: ../formconfirm.php");

/* Make sure that code below does not get executed when we redirect. */
exit;
?>