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<?php
include_once('config/config.php');

if (!empty($_POST['email'])) {

if (empty($_POST["name"])) {

$_SESSION['msg1'] = "Please enter name";

$referer = $_SERVER['HTTP_REFERER'];

header("Location: $referer");

exit();
  } else {

if (!preg_match("/^[a-zA-Z ]*$/", $_POST["name"])) {

$_SESSION['msg1'] = "Only letters and whitespace allowed for name";

$referer = $_SERVER['HTTP_REFERER'];

header("Location: $referer");

exit();
    }
  }

if (!filter_var($_POST["email"], FILTER_VALIDATE_EMAIL)) {

$_SESSION['msg1'] = "Invalid email format";

$referer = $_SERVER['HTTP_REFERER'];

header("Location: $referer");

exit();
  }

if (empty($_POST["message"])) {

$_SESSION['msg1'] = "Please enter message";

$referer = $_SERVER['HTTP_REFERER'];

header("Location: $referer");

exit();
  }

if (!empty($_POST['name']) && !empty($_POST['email']) && !empty($_POST['message'])) {

$name = mysqli_real_escape_string($conn, test_input($_REQUEST['name']));

$email = mysqli_real_escape_string($conn, test_input($_REQUEST['email']));

$message = mysqli_real_escape_string($conn, test_input($_REQUEST['message']));

$sql = "Insert into request_quote set name='" . $name . "', email='" . $email . "',   message='" . $message . "', created=date('Y-m-d H:i:s')";

$query = mysqli_query($conn, $sql);

if ($query) {

$_SESSION['msg'] = "Your details submitted successfully";
      $referer = $_SERVER['HTTP_REFERER'];
      header("Location: $referer");
      exit();
    } else {

$_SESSION['msg1'] = "Something error";

$referer = $_SERVER['HTTP_REFERER'];

header("Location: $referer");

exit();
    }
  }
} else {

header("Location: index.php");

exit();
}