<form action="upload.php" method="POST">
        <input type="file" name="image">
        <input type="submit" name="submit" value="upload">
    </form>
    <?php
        if(isset($_POST['submit']))
        {
            $conn= mysqli_connect("localhost","root","");
            mysqli_select_db($conn, "namastedb");

            $imageName = mysqli_real_escape_string($conn, $_FILES["image"] ["name"]);
            $imageData = mysqli_real_escape_string($conn, file_get_contents($_FILES["image"] ["tmp_name"]));
            $imageType = mysqli_real_escape_string($conn, $_FILES["image"]["type"]);

            if(substr($imageType, 0, 5) == "image")
            {
                mysql_query("insert into 'product_details' values('','1','$imageName','$imageData') ");
                echo "Image Uploaded.";
            }
            else
                echo "Only images are allowed!";

        }


    ?>