Mini Shell

<?php
include("config.php");
$conn = dbconnect();

$id = $_GET['id'];

$today = date('Y-m-d');
?>
<h3>Edit </h3>
<?php
$content_query = "SELECT * FROM tb1_principalmessage WHERE id = '$id'";
$content_res = mysqli_query($conn, $content_query);
$content_row = mysqli_fetch_object($content_res);
$slider_id = $content_row->id;
$status = $content_row->status;
$slider_img = $content_row->image;
$name = $content_row->name;
$para1 = $content_row->para1;
$para2 = $content_row->para2;
$para3 = $content_row->para3;
?>
<form class="edit-form" id="editForm" enctype="multipart/form-data">
    <div class="col-md-12">
        <div class="card-block">
            <input type="hidden" name="type" value="update">
            <input type="hidden" name="slider_id" value="<?php echo $slider_id ?>">

            <div class="form-group row">
                <label class="col-md-3 col-form-label">Principal Image</label>
                <div class="col-md-9 ">
                    <input type="file" name="files" id="filer_input_single">
                </div>
                <label class="col-md-3 col-form-label mt-2">Name</label>
                <div class="col-md-9 ">
                    <input class="form-control" type="text" placeholder="Name" name="name" value="<?= $name ?>">
                </div>

                <label class="col-md-3 col-form-label">Message 1</label>
                <div class="col-md-9 mt-2">
                    <textarea class="form-control" id="para1" name="para1" rows="1"><?= $para1 ?></textarea>
                </div>
                <label class="col-md-3 col-form-label">Message 2</label>
                <div class="col-md-9 mt-2">
                    <textarea class="form-control" id="para2" name="para2" rows="1"><?= $para2 ?></textarea>
                </div>
                <label class="col-md-3  col-form-label">Message 3</label>
                <div class="col-md-9 mt-2">
                    <textarea class="form-control" id="para3" name="para3" rows="1"><?= $para3 ?></textarea>
                </div>
            </div>

        </div>
    </div>
    <div class="col-md-12 text-center">
        <button type="submit" class="btn btn-success text-bold" id="sub-btn" style="width: -webkit-fill-available;">Submit</button>
    </div>
</form>
<!-- jquery file upload js -->
<script src="assets/pages/jquery.filer/js/jquery.filer.min.js"></script>
<script src="assets/pages/filer/custom-filer.js" type="text/javascript"></script>
<script src="assets/pages/filer/jquery.fileuploads.init.js" type="text/javascript"></script>
<script src="assets/validation/jquery-validation/jquery.validate.min.js"></script>
<script src="assets/css/validation/form-validation.js"></script>
<script type="text/javascript">
    // initialize validate plugin on the form
    $("#editForm").validate({
        errorPlacement: function(error, element) {
            var ele = $(element),
                err = $(error),
                msg = err.text();
            if (msg != null && msg !== "") {
                ele.tooltipster('content', msg);
                ele.tooltipster('open'); //open only if the error message is not blank. By default jquery-validate will return a label with no actual text in it so we have to check the innerHTML.
            }
        },
        unhighlight: function(element, errorClass, validClass) {
            $(element).removeClass(errorClass).addClass(validClass).tooltipster('close');
        },

        submitHandler: function(form) { // for demo
            var form = $('#editForm')[0];
            var formData = new FormData(form);
            event.preventDefault();
            $("#sub-btn").attr("disabled", true);
            $.ajax({
                type: 'POST',
                url: 'ajax/editprincipalmessage.php',
                processData: false,
                contentType: false,
                dataType: "json",
                data: formData,
                success: function(data) {
                    if (data == 'done') {
                        swal({
                            title: 'Updated Successfully!',
                            text: "Principal has been successfully Updated",
                            icon: 'success',
                            confirmButtonColor: '#3f51b5',
                            closeOnEsc: false,
                            closeOnClickOutside: false,
                            buttons: {
                                confirm: {
                                    text: "Okay",
                                    value: true,
                                    visible: true,
                                    className: "btn btn-primary",
                                    closeModal: true
                                }
                            }
                        }).then((value) => {
                            if (value == true) {
                                location.reload();
                            }
                        });
                    }
                },
                error: function(data) {
                    swal({
                        title: 'Internal Sever Error!',
                        text: "Try again",
                        icon: 'warning',
                        closeOnEsc: false,
                        closeOnClickOutside: false,
                    })
                },
            });
        }
    });
</script>