Look into [man]str_split/man or [man]chunk_split/man for that.
<?php
$var = "abigblackbugbiteabigblackbear";
$chars = str_split($var, 8);
$chars2 = chunk_split($var, 8, "_");
$chars3 = explode("_", $vars);
echo 'str_split($var, 8) ';
foreach($chars as $char)
{
echo $char.' ';
}
echo '<hr>chunk_split($var, 8, "_" ';
foreach($chars3 as $char)
{
echo $char.' ';
}
// Insert a <br> after each 8 characters
// chunk_split(string, str_len [, string separator])
$chars4 = chunk_split($var, 8, "<br>");
?>
That will output:
[quote]str_split($var, 8) abigblac kbugbite abigblac kbear
chunk_split($var, 8, "_") abigblac_kbugbite_abigblac_kbear[/quote]
Hope that helps.
~Brett