// Add field into the registration form      function nada_woocommerce_edit_registration_form() {             ?>             <p id="recaptcha" class="g-recaptcha" data-sitekey="##your-google-captcha-key##"></p>             <?php         }         add_action( 'woocommerce_register_form', 'nada_woocommerce_edit_registration_form', 15 );      /**      * Validate Woocommerce Registration form fields      */      function nada_validate_extra_register_fields( $errors, $username, $email ) {         if ( empty( $_POST['g-recaptcha-response'] ) ) {                 $errors->add( 'captcha-error', wp_kses_post( '<strong>Error</strong>: Captcha is missing.', 'nada' ) );         }         return $errors;     }     add_filter( 'woocommerce_registration_errors', 'nada_validate_extra_register_fields', 10, 3 );

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