How to assign a loop array to a string variable in PHP

How to assign a loop array to a string variable in PHP
This post was last edited by u014203582 on 2014-05-03 14:03:16

For example

    $contents = curl_exec ($ch);
  
Preg_match_all ("/(. *) <\/td>/", $contents, $arr);
for ($i =0; $i <=100; $i + +)
{

Print_r ($arr [1][$i]);
if (($i + 1)% 1 ==0)
{echo '
';}
}

I don't want to print $arr now, but put it in a string variable
------Solution--------------------

$txt = ";
for ($i =0; $i <=100; $i + +) {
  $txt. = $arr [1][$i]);
  if (($i + 1)% 1 ==0) {
    $txt. =  '
';
  }
}

