function format_text($a, $b) // $a is text to format, from textarea, $b
is line length
{ $line = array();
$limit = (strlen($a)/$b);
for($i = 0; $i < $limit; $i++)
{
$start = $i*$b;
$stop = (($i*$b) + $b) - 1;
print "start : $start stop : $stop<br>";
array_push($line, substr($a, $start,
$stop)); // separate into lines not greater than $b length
}
return $line;
}
You made a minor mistake:) substr takes length as its third parameter,
not stop.
Here is the prototype of substr():
string *substr* ( string string, int start [, int length] ),
