HTMLReCaptchaField.php

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<?php
 
class HTMLReCaptchaField extends HTMLFormField {
    protected $key;
 
    protected $theme;
 
    protected $secure;
 
    protected $error;
 
    public function __construct( array $params ) {
        $params += [
            'secure' => true,
            'error' => null,
        ];
        parent::__construct( $params );
 
        $this->key = $params['key'];
        $this->theme = $params['theme'];
        $this->secure = $params['secure'];
        $this->error = $params['error'];
    }
 
    public function getInputHTML( $value ) {
        $attribs = $this->getAttributes( [ 'tabindex' ] ) + [ 'theme' => $this->theme ];
        $js = 'var RecaptchaOptions = ' . Xml::encodeJsVar( $attribs );
        $widget = recaptcha_get_html( $this->key, $this->error, $this->secure );
        return Html::inlineScript( $js ) . $widget;
    }
 
    public function skipLoadData( $request ) {
        return true;
    }
}