merhaba arkadaşlar iki resim alanım var birini ekleyince diğer resim kayboluyor yani boş veri güncelliyor ikisine bir resim eklersem sorun yok;
bu problemi nasıl çözerim

image.php

<form action="../netting/islem.php" method="POST" id="demo-form2" data-parsley-validate class="form-horizontal form-label-left" enctype="multipart/form-data">

                                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">İmage Adı<span class="">*</span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <input type="text" id="image_adi" name="image_adi" value="<?php echo $imagecek['image_adi']; ?>" class="form-control col-md-7 col-xs-12">
                                    </div>
                                </div>
               

                <div class="form-group">
                  <label class="control-label col-md-3 col-sm-3 col-xs-12" for="first-name"><span class=""></span>
                  </label>
                  <div class="col-md-6 col-sm-6 col-xs-12">                    
                  </div>
                </div>

                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">Video Resmi<span class=""></span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <?php 
                    if (strlen($imagecek['image1'])>0) {?>

                    <img width="150"  src="../../<?php echo $imagecek['image1']; ?>">

                    <?php } else {?>


                    <img width="150"  src="../../dimg/kullanici-resim-yok.jpg">


                    <?php } ?>
                                        <input type="file" id="image1" name="image1" value="<?php echo $imagecek['image1']; ?>" class="form-control col-md-7 col-xs-12">
                                    </div>
                                </div>

                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">Video Resmi<span class=""></span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <?php 
                    if (strlen($imagecek['image2'])>0) {?>

                    <img width="150"  src="../../<?php echo $imagecek['image2']; ?>">

                    <?php } else {?>


                    <img width="150"  src="../../dimg/kullanici-resim-yok.jpg">


                    <?php } ?>
                                        <input type="file" id="image2" name="image2" value="<?php echo $imagecek['image2']; ?>" class="form-control col-md-7 col-xs-12">
                                    </div>
                                </div>


                                <div align="right" class="col-md-9 col-sm-9 col-xs-12 col-md-offset-3">

                                    <button type="submit" name="imagekaydet" class="btn btn-primary">Güncelle</button>
                                </div>

                            </form>

islem.php

if (isset($_POST['imagekaydet'])) {


    if (!empty($_FILES['image1'])) {
        $uploads_dir1 = 'images/';

        $tmp_name1 = $_FILES['image1']["tmp_name"];
        $name1 = $_FILES['image1']["name"];
        $refimgyol1=substr($uploads_dir1, 6)."images/".$name1;
        move_uploaded_file($tmp_name1, "$uploads_dir1/$name1");

        $image1kaydet=$db->prepare("UPDATE image SET
            image_adi=:image_adi,
            image1=:image1
            WHERE image_id=1");
        $update=$image1kaydet->execute(array(
            'image_adi' => $_POST['image_adi'],
            'image1' => $refimgyol1
        ));
    }
    if ($update) {

        Header("Location:../production/image.php?durum=ok");

    } else {

        Header("Location:../production/image.php?durum=no");
    }    

if (!empty($_FILES['image2'])) {
    $uploads_dir2 = 'images/';

        $tmp_name2 = $_FILES['image2']["tmp_name"];
        $name2 = $_FILES['image2']["name"];
        $refimgyol2=substr($uploads_dir2, 6)."images/".$name2;
        move_uploaded_file($tmp_name2, "$uploads_dir2/$name2");

        $image2kaydet=$db->prepare("UPDATE image SET
            image_adi=:image_adi,
            image2=:image2
            WHERE image_id=1");
        $update=$image2kaydet->execute(array(
            'image_adi' => $_POST['image_adi'],
            'image2' => $refimgyol2
        ));
    }

    if ($update) {

        Header("Location:../production/image.php?durum=ok");

    } else {

        Header("Location:../production/image.php?durum=no");
    }

}