/**
* @return WP_reCaptcha
*/
public static function instance()
{
if (is_null(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Load ninja/cf7 php files if necessary
* Hooks into 'plugins_loaded'
*/
function plugins_loaded()
{
if ($this->has_api_key()) {
// NinjaForms support
// check if ninja forms is present
if (class_exists('Ninja_Forms') || function_exists('ninja_forms_register_field')) {
WP_reCaptcha_NinjaForms::instance();
}
// CF7 support
// check if contact form 7 forms is present
if (function_exists('wpcf7')) {
WP_reCaptcha_ContactForm7::instance();
}
// WooCommerce support
// check if woocommerce is present
if (function_exists('WC') || class_exists('WooCommerce')) {
WP_reCaptcha_WooCommerce::instance();
}
if (class_exists('Awesome_Support')) {
WP_reCaptcha_Awesome_Support::instance();
}
if (class_exists('bbPress')) {
WP_reCaptcha_bbPress::instance();
}
}
}