title: put comma after values but not for last one
body: <p>I am just a beginner in php. I used the following code to display the user names fetched from the database.</p>
  
  <pre><code>$select_tl = "SELECT `varTeamleader` FROM `tbl_team` WHERE `intTeamid` = '" . $id . "'";
  $select_tl_res = mysql_query($select_tl);
  $select_tl_num = mysql_num_rows($select_tl_res);
  if ($select_tl_num &gt; 0) {
      $fetch_tl = mysql_fetch_array($select_tl_res);
      $tl = $fetch_tl['varTeamleader'];
      $sep_tl = explode(",", $tl);
      foreach ($sep_tl as $key =&gt; $value) {
          $sel_tlname = "SELECT * FROM `tbl_user` WHERE `intUserid` = '" . $value . "'";
          $sel_tlname_res = mysql_query($sel_tlname);
          $sel_tlname_num = mysql_num_rows($sel_tlname_res);
          if ($sel_tlname_num &gt; 0) {
              $fetch_username = mysql_fetch_array($sel_tlname_res);
              $user_name = $fetch_username['varName'];
              echo $user_name . ", ";
          }
      }
  }
  </code></pre>
  
  <p>I need to echo the user_name with comma after every value but not after last one. How can i do that?</p>