Not inserting into database. PHP and mysql

Question

I have to create a form where answers get sent to the database but when I fill in the form the database is not updating and I have getting the self made error :"something went wrong". Can anyone see anything wrong? Thanks.

Form:

<form id="contact-form" method="post" action="sentEnquiries.php" name="enquiries">
            <div class="row">
                <div class="col-md-6">
                    <div class="form-group">
                        <label for="name">
                            Name</label>
                        <div class="input-group">
                            <span class="input-group-addon"><span class="glyphicon glyphicon-user"></span>
                            </span>
                            <input type="text" class="form-control" id="name" name="name" placeholder="Enter name" required="required" /></div>
                    </div>

                    <div class="form-group">
                        <label for="email">
                            Email Address</label>
                        <div class="input-group">
                            <span class="input-group-addon"><span class="glyphicon glyphicon-envelope"></span>
                            </span>
                            <input type="email" class="form-control" id="email" name="email" placeholder="Enter email" required="required" /></div>
                    </div>

                    <div class="form-group">
                        <label for="phoneNumber">
                            Phone Number</label>
                        <div class="input-group">
                            <span class="input-group-addon"><span class="glyphicon glyphicon-earphone"></span>
                            </span>
                            <input type="tel" class="form-control" id="phoneNumber" name="phone" placeholder="Enter phone number" required="required" /></div>
                    </div>

                    <div class="form-group">
                        <label for="partySize">
                            Party Size</label>

                        <input type="number" min="1" max="6" class="form-control" id="partySize" name="partySize" required="required" />
                    </div>




                </div>

                <div class="col-md-6">
                     <div class="form-group">
                        <label for="arrivalDate">
                            Arrival Date</label>

                        <input type="date" class="form-control" id="arrivalDate" name="arrivalDate" />
                    </div>

                    <div class="form-group">
                        <label for="departureDate">
                            Departure Date</label>

                        <input type="date" class="form-control" id="departureDate" name="departureDate"/>

                    </div>
                    <div class="form-group">
                        <label for="name">
                            Message</label>
                        <textarea name="message" id="message" class="form-control" rows="9" cols="25" required="required"
                            placeholder="Message"></textarea>
                    </div>
                </div>
                <div class="col-md-12">
                    <button type="submit" class="btn btn-skin pull-right" id="btnContactUs">
                        Send enquiry</button>
                </div>
            </div>
            </form>

Answers:

   <?php

include("conn.php");


 $sentName = $_POST['name'];
$sentEmail = $_POST['email'];
$sentPhone = $_POST['phone'];
$sentPartySize = $_POST['partySize'];
$sentArrivalDate = $_POST['arrivalDate'];
$sentDepartureDate = $_POST['departureDate'];
$sentMessage = $_POST['message'];


$insertQuery = "INSERT INTO Enquiries(enquiryID, name, email, phone,   partySize, arrivalDate, departureDate, message) VALUES(NULL, '$sentName', '$sentEmail', '$sentPhone, '$sentPartySize', $sentArrivalDate, '$sentDepartureDate', '$sentMessage')";


?>

Further down answers doc:

<div class="descriptions">

        <?php
        if(mysqli_query($conn, $insertQuery)) {
            echo "<p>Thank you for your enquiry.</p>";
                mysqli_close($conn);
        } else {
            echo "<p>Something went wrong.</p>";
                mysqli_close($conn);
        }


        ?>




        </div>

Answer 1

could you make sure as below :

1. enquiryID column, is this column is auto increment if not better you set the id become auto increment primary key
2. For debug purposes, can you echo first in $_POST['name'] then exit; to make sure that the post data from your html is work correctly.
3. if that not work, you should try to select first from database with simple query, so you will know the connection to database table is work correctly

Answer 2

Here is how i'd do it.

Change yours as required but here's my example:

PDO class:

class form
{
    public function sendForm($name, $email, $phone, $party, $date, $depart, $message)
    {
        $stmt = $this->conn->prepare("INSERT INTO `enquiries` (`name`,`email`,`phone`,`partySize`,`arrivalDate`,`departureDate`,`message`) VALUES (:fname, :email, :phone, :party, :arrive, :depart, :msg)");
        $stmt->bindParam(array(':fname' => $name, ':email' => $email, ':phone' => $phone, ':party' => $party, ':arrive' => $date, ':depart' => $depart, ':msg' => $message));
        $stmt->execute();
    }
}

Then within your form page:

$form = new form();

if (isset($_POST['sendIt']))
{
    $form->sendForm($_POST['Fname'],$_POST['email'],$_POST['phone'],$_POST['size'],$_POST['date'],$_POST['depart'],$_POST['message']);
}

Then my basic form without the div tagging so you'll need to tweak slightly:

<form action="" method="post">
    <input type="text" name="Fname">
    <input type="email" name="email">
    <input type="text" name="phone">
    <input type="text" name="size">
    <input type="text" name="date">
    <input type="text" name="depart">
    <textarea name="message" id="" cols="30" rows="10"></textarea>

    <input type="submit" name="sendIt">
</form>

This is a very basic one with no thank you message or conditions but you can easily add conditions before running the query by doing

if (!empty($var)
{
 // do something
} else {
echo "you didnt fill this in...";