Securimage::SI_DRIVER_MYSQL,
'database_host' => 'localhost',
'database_user' => 'securimage',
'database_pass' => 'password1234',
'database_name' => 'test',
'no_session' => true);
// get the captcha ID from the url (if supplied)
$captchaId = (isset($_GET['id'])) ? $_GET['id'] : '';
// if the validate option is set
if (isset($_GET['validate'])) { // $_GET['id'] should also be set
// get the user input of the captcha code
$input = (isset($_GET['input'])) ? $_GET['input'] : '';
// call Securimage::checkCaptchaId to validate input
// returns true if the code and id are a valid pair, false if not
if (Securimage::checkByCaptchaId($captchaId, $input, $options) == true) {
echo "Success
"
."The captcha code entered was correct!"
."
";
} else {
echo "Incorrect Code
"
."Incorrect captcha code, try again."
."
";
}
} else if (isset($_GET['refresh'])) {
$captcha = Securimage::getCaptchaId(true, $options);
$data = array('captchaId' => $captcha);
echo json_encode($data);
exit;
} else if (isset($_GET['display'])) {
// display the captcha with the supplied ID from the URL
// construct options specifying the existing captcha ID
// also tell securimage not to start a session
$options['captchaId'] = $captchaId;
$captcha = new Securimage($options);
// show the image, this sends proper HTTP headers
$captcha->show();
exit;
}
// generate a new captcha ID and challenge
$captchaId = Securimage::getCaptchaId(true, $options);
// output the captcha ID, and a form to validate it
// the form submits to itself and is validated above ?>
Static Captcha Example
Static Captcha Example
Synopsis:
- Request new captchaId using Securimage::getCaptchaId()
- Display form with hidden field containing captchaId
- Display captcha image passing the captchaId to the image
- Validate captcha input against captchaId using Securimage::checkByCaptchaId()