$verification_id = $_REQUEST['verification_id'];
if (empty($verification_id)) {
$verification_id = 'common';
}
$verification_settings = Settings::instance()->getValues('Image_verification');
$fonts = array(Registry::get('config.dir.lib') . 'other/captcha/verdana.ttf');
$c = new PhpCaptcha($verification_id, $fonts, $verification_settings['width'], $verification_settings['height']);
// Set string length
$c->SetNumChars($verification_settings['string_length']);
// Set number of distortion lines
$c->SetNumLines($verification_settings['lines_number']);
// Set minimal font size
$c->SetMinFontSize($verification_settings['min_font_size']);
// Set maximal font size
$c->SetMaxFontSize($verification_settings['max_font_size']);
$c->SetGridColour($verification_settings['grid_color']);
if ($verification_settings['char_shadow'] == 'Y') {
$c->DisplayShadow(true);
}
if ($verification_settings['colour'] == 'Y') {
$c->UseColour(true);
}
if ($verification_settings['string_type'] == 'digits') {
$c->SetCharSet(array(2, 3, 4, 5, 6, 8, 9));
} elseif ($verification_settings['string_type'] == 'letters') {
$c->SetCharSet(range('A', 'F'));
} else {
$c->SetCharSet(fn_array_merge(range('A', 'F'), array(2, 3, 4, 5, 6, 8, 9), false));
}
if (!empty($verification_settings['background_image'])) {
$c->SetBackgroundImages(fn_get_files_dir_path() . $verification_settings['background_image']);
