determine textarea rows

[vietboy505]

I want my textarea box to not to have scrollbars. So depends on how long the message is, it will determine the rows. How would I do that, count the character in $message?

<textarea value="<?php echo $message; ?>" rows="<?php ?>" cols="20">

[bradgrafelman]

Well, you could figure out about how many characters fit on one row, divide the total length of $message (use [man]strlen/man to find this) by that number, round up (use [man]ceil/man to automatically round it up), and that's how many rows you need.

EDIT: Also, I believe the default value for a textarea should go in between the two tags, i.e.

<textarea name="blah" rows="<?PHP echo $rows; ?>" cols="20"><?PHP echo $message; ?></textarea>

[vietboy505]

I count about 67 char in one row for my cols=65

<?php
charFitRow=61; //67
$numRows=strlen($row['problem']/$charFitRow);
?>
<textarea name="blah" rows="<?PHP echo $numRows; ?>" cols="65"><?PHP echo $message; ?></textarea> 

Sometimes it's off.