如何以逗号分隔存储数据库值？

Question

here am trying to take the set of database values as comma separated and store it in a javascript variable. I tried doing it. but i couldnt make them comma separated as the output comes all together. Please correct me where am doing mistake.

Notes : If the value of assignedto is empty. the staff names with flag 1 will get fetched from database. but in the script below it comes all together where i require them to be comma separated.

 if(assignedto == "")
    {
    '<?php
        $val = mysql_query("select * from staff where flag='1'");
        $arr='';
        while ($row = mysql_fetch_array($val))
        {
        $arr = array($row['name']);
        $assign .= implode(',',$arr);

    ?>'
    assignedto = '<?php echo $assign; }?>';
    }

Answer 1

I am not sure, but you code seems to be wrong, have you tried this?

if(assignedto == ""){
   <?php
   $val = mysql_query("select * from staff where flag='1'");
   $arr=array();
   while ($row = mysql_fetch_array($val)){
       $arr[] = $row['name'];
   }
   $assign = implode(',',$arr);
   ?>
   assignedto = '<?php echo str_replace('\'','\\\'',$assign); ?>';
}