Veri tabanından x id sini çağırıp resim ve yazıları aşağıdaki gibi düzenliyorum dilerseniz bunuda kullanabilirsiniz.

<?php
include_once('config.php');

if(isset($_GET['delete_id']))
    {
        $id = strip_tags(trim($_GET['delete_id']));
        $stmt_select = $DB_con->prepare('SELECT SLIDE_GORSEL FROM slideler WHERE SLIDE_ID=:id');
        $stmt_select->execute(array(':uid'=>$id));
        $imgRow=$stmt_select->fetch(PDO::FETCH_ASSOC);
        unlink("../images/slideler/".$imgRow['resim']);

        $stmt_delete = $DB_con->prepare('DELETE FROM icerikler WHERE SLIDE_ID=:id');
        $stmt_delete->bindParam(':id',$id);
        $stmt_delete->execute();
        
        header("Location: index.php");
    }


    if(isset($_GET['edit_id']) && !empty($_GET['edit_id']))
    {
        $id = strip_tags(trim($_GET['edit_id']));
        $stmt_edit = $DB_con->prepare('SELECT SLIDE_ADI, SLIDE_LINK, SLIDE_GORSEL, SLIDE_LINKADI FROM slideler WHERE SLIDE_ID =:uid');
        $stmt_edit->execute(array(':uid'=>$id));
        $edit_row = $stmt_edit->fetch(PDO::FETCH_ASSOC);
        extract($edit_row);
    }else{
        header("Location: slideler.php");
    }

    if(isset($_POST['btn_save_updates']))
    {
    $slideadi = strip_tags(trim($_POST['slideadi']));
    $slidelink = strip_tags(trim($_POST['slidelink']));
    
    $slideadicek = $DB_con->prepare('SELECT LINK_ADI, LINK_YOLU FROM linkler WHERE LINK_YOLU =:linkyolu');
    $slideadicek->execute(array(':linkyolu'=>$slidelink));
    $slideadi_cek = $slideadicek->fetch(PDO::FETCH_ASSOC);
    extract($slideadi_cek);
    $slidelinkadibu = $slideadi_cek['LINK_ADI']; 


        $imgFile = $_FILES['slidegorsel']['name'];
        $tmp_dir = $_FILES['slidegorsel']['tmp_name'];
        $imgSize = $_FILES['slidegorsel']['size'];
                    
        if($imgFile)
        {
            $upload_dir = '../images/slideler/'; 
            $imgExt = strtolower(pathinfo($imgFile,PATHINFO_EXTENSION)); // get image extension
            $valid_extensions = array('jpeg', 'jpg', 'png', 'gif'); // valid extensions
            $SLIDE_GORSEL = rand(1000,1000000).".".$imgExt;
            if(in_array($imgExt, $valid_extensions))
            {            
                if($imgSize < 10000000)
                {
                    unlink($upload_dir.$edit_row['SLIDE_GORSEL']);
                    move_uploaded_file($tmp_dir,$upload_dir.$SLIDE_GORSEL);
                }
                else
                {
                    $errMSG = "Sorry, your file is too large it should be less then 10 MB";
                }
            }
            else
            {
                $errMSG = "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";        
            }    
        }else{
 $SLIDE_GORSEL = $edit_row['SLIDE_GORSEL']; 
        }    

        if(!isset($errMSG))
        {
        
            $stmt = $DB_con->prepare('UPDATE slideler SET SLIDE_ADI=:slideadi, SLIDE_LINK=:slidelink, SLIDE_GORSEL=:slidegorsel, SLIDE_LINKADI=:slidelinkadi WHERE SLIDE_ID=:uid');
            $stmt->bindParam(':slideadi',$slideadi);
            $stmt->bindParam(':slidelink',$slidelink);
            $stmt->bindParam(':slidegorsel',$SLIDE_GORSEL);
            $stmt->bindParam(':slidelinkadi',$slidelinkadibu);
            $stmt->bindParam(':uid',$id);
                
            if($stmt->execute()){
 ?>
                <script>
                alert('Güncelleme Başarılı ...');
                window.location.href='slideler.php';
                </script>
                <?php
            }else{
                $errMSG = "Sorry Data Could Not Updated !";
            }
            }
    }

ben bu şekilde kullanıyorum en basit haliyle. belki işine yarar.