php - I'm unable to update the entered data into db -


this question exact duplicate of:

here code

  <?php   include('admin/class.php');

this db connection

  $link = mysqli_connect("localhost", "root", "", "timesheet1234");

here giving action save button

if(isset($_post['save'])) {     $sel=@$_post['selpro'];   $mon=@$_post['mon'];   $tue=@$_post['tue'];   $wed=@$_post['wed'];   $thu=@$_post['thu'];   $fri=@$_post['fri'];   $sat=@$_post['sat'];   $sun=@$_post['sun'];

this problem occurs

if(isset($_session['user'])) {     echo "session user";

it not accepting mysqli

$stmt = mysqli_prepare($link,"update empdaytimesheet set  `projectcode`='$sel',`mon`='$mon',`tue`='$tue',`wed`='$wed', `thu`='$thu',`fri`='$fri',`sat`='$sat',`sun`='$sun' `username`='".$_session['user']."'"); mysqli_stmt_bind_param($stmt,"siiiiiii", $sel,$mon,$tue,$wed,$thu,$fri,$sat,$sun);  $res= mysqli_stmt_execute($stmt);

it not coming condition

if($res){   echo "<script type='text/javascript'>";   echo "alert('timesheet saved..!')";   echo "</script>";   echo "<script type='text/javascript'>";   echo "window.location='my_timesheet.php'";   echo "</script>"; }

instead executes this:

else {   echo "<script type='text/javascript'>";   echo "alert('some error occured ! retry..!')";   echo "</script>";   echo "<script type='text/javascript'>";   echo "window.location='my_timesheet.php'";   echo "</script>"; } }   }   ?>

your way of using prepared statements wrong.

you have use placeholders instead of variables:

also not checking errors , you're unable ho hint database

$sql  = "update empdaytimesheet set `projectcode`=?',`mon`=? ..."; // , on $stmt = mysqli_prepare($link, $sql) or trigger_error(mysqli_error($link));

note second line. raise php error tell what's going wrong


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