letters to word

[hedded]

how can i put letters in a single word in php ???
exemple:
for ($i = 0, $j = strlen($string); $i < $j; $i++) {
$res=$string[$i];
$res = chr(ord($res)+2);
echo $res;
}
i want to put all the $res in a single word... Any help ?? Thank You

[firepages]

create a var, keep adding the letter to it with '.=' (concatenation)

PHP Code:

<?php
$string='wombats rule';
$out='';
for ($i = 0, $j = strlen($string); $i < $j; $i++) {
   $res=$string[$i];
   $res = chr(ord($res)+2);
   $out .= $res;
}
echo $out;
?>

[hedded]

thank you a lot