contact_form->prop( 'messages' ); if ( ! $messages ) { return; } if ( isset( $messages['captcha_not_match'] ) and ! wpcf7_use_really_simple_captcha() ) { unset( $messages['captcha_not_match'] ); } foreach ( $messages as $key => $message ) { $section = sprintf( 'messages.%s', $key ); if ( $this->supports( 'html_in_message' ) ) { if ( $this->detect_html_in_message( $section, $message ) ) { $this->add_error( $section, 'html_in_message', array( 'message' => __( 'HTML tags are used in a message.', 'contact-form-7' ), ) ); } else { $this->remove_error( $section, 'html_in_message' ); } } } } /** * Detects errors of HTML uses in a message. * * @link https://contactform7.com/configuration-errors/html-in-message/ */ public function detect_html_in_message( $section, $content ) { $stripped = wp_strip_all_tags( $content ); if ( $stripped !== $content ) { return true; } return false; } }