reCAPTCHA V2 Google - Для Joomla 3 - Joomla 3.x: Общие вопросы

$helpdir = JPATH_BASE . '/components/com_foxcontact/helpers/'; 
.........
include_once $helpdir . 'fcaptcha.php'; 
.........

<div class="g-recaptcha" data-sitekey="***key***"></div>

<div class="rsform-block rsform-block-recaptcha">
		<div class="formControlLabel">{recaptcha:caption}<strong class="formRequired">*</strong></div>
		<div class="formControls">
		<div class="formBody">{recaptcha:body}<span class="formValidation">{recaptcha:validation}</span></div>
		<p class="formDescription">{recaptcha:description}</p>
		</div>
	</div>

<div class="g-recaptcha" data-sitekey="***key***"></div>

<!--h2>{global:formtitle}</h2-->
{error}
<!-- Do not remove this ID, it is used to identify the page so that the pagination script can work correctly -->
<fieldset class="formContainer" id="rsform_6_page_0">
	<div class="rsform-block rsform-block-name">
		<div class="formControlLabel">{name:caption}</div>
		<div class="formControls">
		<div class="formBody">{name:body}<span class="formValidation">{name:validation}</span></div>
		<p class="formDescription">{name:description}</p>
		</div>
	</div>
	<div class="rsform-block rsform-block-email">
		<div class="formControlLabel">{email:caption}<strong class="formRequired">*</strong></div>
		<div class="formControls">
		<div class="formBody">{email:body}<span class="formValidation">{email:validation}</span></div>
		<p class="formDescription">{email:description}</p>
		</div>
	</div>
	<div class="rsform-block rsform-block-message">
		<div class="formControlLabel">{message:caption}<strong class="formRequired">*</strong></div>
		<div class="formControls">
		<div class="formBody">{message:body}<span class="formValidation">{message:validation}</span></div>
		<p class="formDescription">{message:description}</p>
		</div>
	</div>
	<div class="rsform-block rsform-block-recaptcha">
		<div class="formControlLabel">{recaptcha:caption}<strong class="formRequired">*</strong></div>
		<div class="formControls">
		<div class="formBody">{recaptcha:body}<span class="formValidation">{recaptcha:validation}</span></div>
		<p class="formDescription">{recaptcha:description}</p>
		</div>
	</div>
	<div class="rsform-block rsform-block-button">
		<div class="formControlLabel">{button:caption}</div>
		<div class="formControls">
		<div class="formBody">{button:body}<span class="formValidation">{button:validation}</span></div>
		<p class="formDescription">{button:description}</p>
		</div>
	</div>
</fieldset>

<div class="g-recaptcha" data-sitekey="***key***"></div>

<div class="formBody">{recaptcha:body}<span class="formValidation">{recaptcha:validation}</span></div>

$plugin = $app->getParams()->get('captcha', JFactory::getConfig()->get('captcha'));
$captcha = JCaptcha::getInstance($plugin, array('namespace'=>'xnamespace'));
if($captcha !== null){
	$captcha_response=$captcha->checkAnswer(null);
}

<!--h2>{global:formtitle}</h2-->
{error}
<!-- Do not remove this ID, it is used to identify the page so that the pagination script can work correctly -->
<fieldset class="formContainer" id="rsform_6_page_0">
	<div class="rsform-block rsform-block-name">
		<div class="formControlLabel">{name:caption}</div>
		<div class="formControls">
		<div class="formBody">{name:body}<span class="formValidation">{name:validation}</span></div>
		<p class="formDescription">{name:description}</p>
		</div>
	</div>
	<div class="rsform-block rsform-block-email">
		<div class="formControlLabel">{email:caption}<strong class="formRequired">*</strong></div>
		<div class="formControls">
		<div class="formBody">{email:body}<span class="formValidation">{email:validation}</span></div>
		<p class="formDescription">{email:description}</p>
		</div>
	</div>
	<div class="rsform-block rsform-block-message">
		<div class="formControlLabel">{message:caption}<strong class="formRequired">*</strong></div>
		<div class="formControls">
		<div class="formBody">{message:body}<span class="formValidation">{message:validation}</span></div>
		<p class="formDescription">{message:description}</p>
		</div>
	</div>
	<div class="rsform-block rsform-block-recaptcha">
		<div class="formControlLabel">{recaptcha:caption}<strong class="formRequired">*</strong></div>
		<div class="formControls">
		<div class="formBody g-recaptcha" data-sitekey="6LcAnBgUAAAAAFTNJSvIQbKiIzbsggmpAXRrrxyP">{recaptcha:body}<span class="formValidation">{recaptcha:validation}</span></div>
		<p class="formDescription">{recaptcha:description}</p>
		</div>
	</div>
	<div class="rsform-block rsform-block-button">
		<div class="formControlLabel">{button:caption}</div>
		<div class="formControls">
		<div class="formBody">{button:body}<span class="formValidation">{button:validation}</span></div>
		<p class="formDescription">{button:description}</p>
		</div>
	</div>
</fieldset>