_nicename = esc_html__( 'adCAPTCHA', 'adcaptcha' ); $this->verify = new Verify(); } public function validate( $field, $data ) { $value = $field['value'] ?? ''; if ( empty( $value ) ) { return esc_html__( ADCAPTCHA_ERROR_MESSAGE ); } $response = $this->verify->verify_token($value); if ( $response === false ) { return esc_html__( ADCAPTCHA_ERROR_MESSAGE ); } } }