README

php image captcha , need GD extension.

require

Predis

install

composer.json

require: {
    "php-captcha/captcha": "~1.0"
}

example

• use base64 string

    use Captcha\CaptchaManager
    
    $redisClient = ...;
    $identity = ...;
    
    $captcha = new CaptchaManager($redisClient);
    
    $base64ImageString = $captcha->createBase64ImageCaptcha($identity);
    
    $response = ...;
    
    $response->setBody($base64ImageString);
    
    return $response;
  

• use content-type:image/png

    use Captcha\CaptchaManager
    
    $redisClient = ...;
    $identity = ...;
    
    $captcha = new CaptchaManager($redisClient);
    
    $captcha->createStreamImageCaptcha($identity);
    
    $response = ...;
    
    $response->headers->add([Content-type' => 'image/png']);
    
    return $response;