How to make a easy PHP Photo Gallery

Simple PHP Photo gallery. koto sohoj seta deken. Kub sohoj akta PHP Photo galary dilam asa kori karo karo kaje lagbe abar karor kase biroktikor mone hobe. jara birokto hoben tader jonno boli sorry. amar ai code sudu photo galaryte na issa korle apni registration form a-o use korte paren. karon atate user id dia picture ti save hosse ar user id extension soho data base a joma hossee. HTML Code:

    <form action="#" method="post" enctype="multipart/form-data">
    <table style="margin:100px;">
    <tr><td>Name :</td><td> <input type="text" name="name" /></td></tr>
    <tr><td>User Name :</td><td> <input type="text" name="username" /></td><tr>
    <tr><td>Password :</td><td> <input type="password" name="password" /></td></tr>
    <tr><td>Phosto :</td><td> <input type="file" name="photo" /></td></tr>
    <tr><td></td><td><input type="submit" name="submit" value="Submit" required /></td></tr>
    </table>
    </form>

PHP Code for Photo Upload:

    <?php
    if(isset($_POST["submit"])){
    $name=$_POST["name"];
    $username=$_POST["username"];
    $password=$_POST["password"];
    //This code for Photo save by photo original name.
    //move_uploaded_file($_FILES["photo"]["tmp_name"],"photo/".$_FILES["photo"]["name"]);
    $photo=$_FILES["photo"]["name"];
    $photoEx="";
    if(!empty($photo)){
    $photoEx=pathinfo($photo);
    $photoEx=$photoEx["extension"];
    }else{
    echo "Please chose a photo.";
    }
    if($photoEx=="jpg" or $photoEx=="JPG" or $photoEx=="png" or $photoEx=="gif" or $photoEx=="jpeg" or $photoEx=="JPEG"){
    include("config.php");
    $db->query("insert into user_info(name,username,password) values('$name','$username','$password')");
    $id=$db->insert_id;
    $photoName=$id.".".$photoEx;
    $db->query("update user_info set photo='$photoName' where id='$id'");
    move_uploaded_file($_FILES["photo"]["tmp_name"],"photo/".$photoName);
    echo "Photo saved.";
    }else{
    echo "<font color='#FF0000'>Please select jpg or png or gif or jpeg format photo.</font>";
    }
    }
    ?>

PHP Code for Show The Photo Gallery: ai code ta alada page a likben. jekane Gallery show korate chan.

    <div id="photoGalary">
    <?php
    include("admin/config.php");
    $rs=$db->query("select * from galary");
    //echo "<div id="photoGalary">";
    while($row=$rs->fetch_row()){
    echo "<img src='galary/$row[1]'/>";
    }
    //echo "</div>";
    ?>
    </div>

CSS Code:

    #photoGalary{
    position:relative;
    overflow:hidden;
    width:100%;
    padding:0px;
    float:left;
    margin-bottom:30px;
    }
     
    #photoGalary img{
    margin: 30px 0 0 40px;
    border: 1px solid #008C45;
    height: 150px;
    width: 200px;
    float: left;
    text-align: center;
    }