How to get the exact column and row value from my database (php)?

Question

     id      timing     temp    temp1   temp2   temp3
   5260     1446746934  -76     -15      4       25
    5259    1446746332  -75     -14      5      25
    5258    1446745731  -77     -15      6      25

I have database like this. And I wrote the code below to get the row value out from my database. I would like to get the data from the previous points. Right now, I only get the latest point -76 from temp column. How to get the data from previous points like -75 or -77 at one column ??

  $qryd = "SELECT id, timing, temp,temp1,temp2,temp3 FROM tempArray WHERE timing>='$dlimit' ORDER BY id ASC LIMIT 1008;

    $i=0;
    $r = mysql_query($qryd);
    $count = mysql_num_rows($r);

    while($row=mysql_fetch_array($r, MYSQL_ASSOC)) {
      $tid=$row['id'];
     $dt = $row['timing'];
      $te = $row['temp'];

      $return="[$dt, $te],";
      echo $return;

      $i++;

    }
     echo $te;
//the result is -76

Answer 1

Try this:

$qryd = "SELECT id, timing, temp,temp1,temp2,temp3 FROM tempArray";

$i=0;
$r = mysql_query($qryd);
$count = mysql_num_rows($r);

while($row=mysql_fetch_array($r, MYSQL_ASSOC)) {
  $tid=$row['id'];
 $dt = $row['timing'];
  $te = $row['temp'];

  $return="[$dt, $te],";
  echo $return;

  $i++;
  echo $te;
}

The "echo $te" was outside the loop, so the result was complete but your code prints only the last record returned by the query execution.

Answer 2

The best way I can do is to do more code on my database site to grab data one by one. I know it is not the right way to do it. But at least it is the best I can do to my program.