invisio v2.0

<?php
include('../../../config/main_function.php');
$secure = "cAh3DrJACzw4RbU";
$connection = connectDB($secure);
$register_level = mysqli_real_escape_string($connection, $_POST['register_level']);
if ($register_level == 'g9k1s') {
    $level = '1';
} elseif ($register_level == 'kki22') {
    $level = '2';
} elseif ($register_level == 'x9fkq') {
    $level = '3';
}

?>
<div class="modal-header">
    <h4 class="modal-title">แนบไฟล์เอกสาร</h4>
    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
</div>
<div class="modal-body">
    <form action="" id="import_document" method="POST" enctype="multipart/form-data">
        <input type="hidden" name="member_id" value="<?php echo $_POST['member_id'] ?>">
        <input type="hidden" name="document_id" value="<?php echo getRandomID(10, 'tbl_member_document', 'document_id'); ?>">

<div class="row mb-3">
            <div class="col-12">
                <label for=""><b></b></label>
                <div class="image-upload_9">
                    <input type="file" id="document_file_more" name="document_file_more[]" value="" onchange="ImageReadURL(this,value,'10');" multiple>
                </div>
            </div>
        </div>
    </form>
</div>
<div class="modal-footer">
    <button type="button" class="btn btn-primary" onclick="ImportFile()"><i class="fa fa-check"></i>&nbsp;บันทึก</button>
    <button type="button" class="btn btn-white" data-dismiss="modal">ปิด</button>
</div>
<script>
    $(document).ready(function() {
        $(".form-select").select2();
    });
</script>