how to split a string

[eluser]megabyte[/eluser]

Code:

$length = strlen($str);
$offset = $length/2;
$pos = strpos($str, ' ', $offset);
$first = substr($str, 0, $pos);
$last = substr($str, $pos);
echo $first;
echo "<br />";
echo $last;

Well you helped me solve it in 3 minutes vs the 3 hours i spent not solving it. thanks.