Question

     <?
   $numbers = "numbers+";
    for($i=1;$i<=5;$i++){
        $numbers .= $i.',';
        echo $numbers."<br>";
        } 
    ?>

My code snippet here is. Now I wanna that when $i variable be last number on each line, (,) don’t appear after $i. Output I want :

numbers+1
numbers+1,2
numbers+1,2,3
numbers+1,2,3,4
numbers+1,2,3,4,5

Answer 1

try this

 $numbers = "numbers+";
 for($i=1;$i<=5;$i++){
      $numbers .= ($i>1 ? ',' : '').$i;
      echo $numbers."<br>";
 }