从for循环中编写一个foreach循环

Question

I want to convert my for loop to a foreach loop but i am confused.I always write wrong code .

my for loop

$cd = $c->Select();
if($cd>0)
{
    $sl=1;
    for($i = 0; $i < count($cd); $i++)
    {
        print '<td>'.$sl++.'</td>';
        print '<td>'.$cd[$i][1].'</td>';
        print '<td>'.$cd[$i][2].'</td>';
    }
}

Answer 1

foreach($cd as $item)
{
  print '<td>'.$sl++.'</td>';
  print '<td>'.$item[1].'</td>';
  print '<td>'.$item[2].'</td>';
}

Example