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Captcha error word_length

I am testing Captcha and my code is like this:

$vals = array(
       'word'          => mt_rand (100000,1000000),
       'img_path'      => './public/captcha/',
       'img_url'       => base_url().'public/captcha/'
$cap = create_captcha($vals);
echo $cap['image'];die();

This works OK but if the 'word' line is commented out I get a php error Undefined variable: word_length
although the User Guide says 'If a word is not supplied, the function will generate a random ASCII string.' Is this a bug or have I made a mistake in the coding?

Messages In This Thread
Captcha error word_length - by msheath - 06-26-2016, 02:24 PM
RE: Captcha error word_length - by BabalooAye - 07-08-2016, 05:19 AM

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