数据库中的矩形照片在显示时自动旋转

Question

这是我如何将图像插入数据库以及如何显示它，所有这些代码都在同一页面上 如果有人知道我的图像在显示时会旋转的原因，请告诉我。 任何形式的帮助将不胜感激:)

<form  enctype="multipart/form-data" onsubmit="return validate()" name="registration" method="post" >

                <div class="item form-group">
                  <label class="control-label col-md-3 col-sm-3 col-xs-12" >User Image: <span class="required">*</span>
                  </label>
                    <div class="col-md-6 col-sm-6 col-xs-12">
                    <input  id="name"  name="userImage" type="file" />
                    </div> 
                </div>  
                <div class="form-group">
                  <div class="col-md-6 col-md-offset-3">
                    <button type="reset" class="btn btn-primary">Clear</button>
                    <button id="send" type="submit" name="subtn" class="btn btn-success">Submit</button>
                  </div>
                </div>

            </form>

if(count($_FILES) > 0) 
{
    if(is_uploaded_file($_FILES['userImage']['tmp_name'])) 
        {
    if(isset($_POST["subtn"]))  
    {   

        $imgData =addslashes(file_get_contents($_FILES['userImage']['tmp_name']));
        $imageProperties = getimageSize($_FILES['userImage']['tmp_name']);


        $sqlregister = "insert into users (imageType ,imageData) 

                                            values  ('{$imageProperties['mime']}', '{$imgData}')                                    
                       ";



    <div class="profile_pic">
    <a  href="editProfile.php" data-toggle="modal" data-target="#myModal" >
    <?php 
    echo '<img src="data:image/jpeg;base64,'.base64_encode( $img ).'"  height="50" width="70" class="img-circle profile_img" />';   
    ?>
    </a>
    </div>