* @copyright 2006-2008 by Philippe Jausions / 11abacus
* @license http://www.opensource.org/licenses/bsd-license.php New BSD
* @version CVS: $Id: Figlet.php,v 1.1 2008/04/26 23:27:30 jausions Exp $
* @link http://pear.php.net/package/HTML_QuickForm_CAPTCHA
*/
/**
* Element for HTML_QuickForm to display a CAPTCHA figlet
*
* The HTML_QuickForm_CAPTCHA package adds an element to the
* HTML_QuickForm package to display a CAPTCHA figlet
*
* Options for the element
*
* - 'width' (integer) Width of figlet (default is 200px)
* - 'output' (string) Output format: "html", "text" or
* "javascript" (default is "html").
* - 'length' (integer) number of letters in the figlet
* (default is 6)
* - 'options' (array) only index supported is "font_file", which
* should either be one figlet font file path,
* or an array of figlet font file paths
* (one we be picked randomly)
* - 'sessionVar' (string) name of session variable containing
* the Text_CAPTCHA instance (defaults to
* _HTML_QuickForm_CAPTCHA.)
*
*
* This package requires the use of a PHP session.
*
* @category HTML
* @package HTML_QuickForm_CAPTCHA
* @author Philippe Jausions
* @copyright 2006-2008 by Philippe Jausions / 11abacus
* @license http://www.opensource.org/licenses/bsd-license.php New BSD
* @version Release: 0.3.0
* @link http://pear.php.net/package/HTML_QuickForm_CAPTCHA
* @see Text_CAPTCHA_Driver_Figlet
*/
class HTML_QuickForm_CAPTCHA_Figlet extends HTML_QuickForm_CAPTCHA
{
/**
* Default options
*
* @var array
* @access protected
*/
var $_options = array(
'sessionVar' => '_HTML_QuickForm_CAPTCHA',
'output' => 'html',
'width' => 200,
'length' => 6,
'phrase' => null,
);
/**
* CAPTCHA driver
*
* @var string
* @access protected
*/
var $_CAPTCHA_driver = 'Figlet';
/**
* Returns the HTML for the CAPTCHA
*
* This can be overwritten by sub-classes for specific output behavior
* (for instance the Image CAPTCHA displays an image)
*
* @access public
* @return string
*/
function toHtml()
{
$result = $this->_initCAPTCHA();
if (PEAR::isError($result)) {
return $result;
}
$attr = $this->_attributes;
unset($attr['type']);
unset($attr['value']);
unset($attr['name']);
$html = $this->_getTabs()
. '_getAttrString($attr) . '>'
. $_SESSION[$this->_options['sessionVar']]->getCAPTCHA()
. '';
return $html;
}
}