src/Recaptcha/Captcha/Captcha.php
public function html()
    {
        if (!$this->getPublicKey()) {
            throw new Exception('You must set public key provided by reCaptcha');
        }

        $error = ($this->getError() ? '&amp;error=' . $this->getError() : null);

        $theme = null;

        // If user specified a reCaptcha theme, output it as one of the options
        if ($this->theme) {
            $theme = '<script> var RecaptchaOptions = {theme: "' . $this->theme . '"};</script>';
        }

        return $theme . '<script type="text/javascript" src="' . self::SERVER . '/challenge?k=' . $this->getPublicKey() . $error . '"></script>

        <noscript>
            <iframe src="' . self::SERVER . '/noscript?k=' . $this->getPublicKey() . $error . '" height="300" width="500" frameborder="0"></iframe><br/>
            <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
            <input type="hidden" name="recaptcha_response_field" value="manual_challenge"/>
        </noscript>';
    }
public function html()
    {
        if (!$this->getPublicKey()) {
            throw new Exception('You must set public key provided by reCaptcha');
        }

        $error = ($this->getError() ? '&amp;error=' . $this->getError() : null);

        $theme = null;

        // If user specified a reCaptcha theme, output it as one of the options
        if ($this->theme) {
            $theme = '<script> var RecaptchaOptions = {theme: "' . $this->theme . '"};</script>';
        }

        return $theme . '<script type="text/javascript" src="' . self::SERVER . '/challenge?k=' . $this->getPublicKey() . $error . '"></script>

        <noscript>
            <iframe src="' . self::SERVER . '/noscript?k=' . $this->getPublicKey() . $error . '" height="300" width="500" frameborder="0"></iframe><br/>
            <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
            <input type="hidden" name="recaptcha_response_field" value="manual_challenge"/>
        </noscript>';
    }
public function html ( ) { if ( ! $ this -> getPublicKey ( ) ) { throw new Exception ( 'You must set public key provided by reCaptcha' ) ; } $ error = ( $ this -> getError ( ) ? '&amp;error=' . $ this -> getError ( ) : null ) ; $ theme = null ; // If user specified a reCaptcha theme, output it as one of the options if ( $ this -> theme ) { $ theme = '<script> var RecaptchaOptions = {theme: "' . $ this -> theme . '"};</script>' ; } return $ theme . '<script type="text/javascript" src="' . self :: SERVER . '/challenge?k=' . $ this -> getPublicKey ( ) . $ error . '"></script>

        <noscript>
            <iframe src="' . self :: SERVER . '/noscript?k=' . $ this -> getPublicKey ( ) . $ error . '" height="300" width="500" frameborder="0"></iframe><br/>
            <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
            <input type="hidden" name="recaptcha_response_field" value="manual_challenge"/>
        </noscript>' ; }
Generates reCaptcha form to output to your end user

@throws Exception
@return string
Generates reCaptcha form to output to your end user