image update in php query

<?php 

  if(isset($_POST['submit'])){
    
    $img1 = pathinfo($_FILES["image"]["name"], PATHINFO_EXTENSION);
        $name1 = rand(1,5000).".".$img1;
        move_uploaded_file($_FILES["image"]["tmp_name"],"./images/$name1");

        $sql = "UPDATE venders SET image1 = '$name1' WHERE id=2";
        $query = mysqli_query($connection, $sql);
        if(!$query){
          echo "0";
        }else {
          echo "1";
        }

  }
 ?>