/** * Append a timestamp to the subject of any Divi-contact-form e-mail. * Works with WordPress & Divi 4 / 5. */ add_filter( 'wp_mail', 'mft_divi_contact_subject_timestamp' ); function mft_divi_contact_subject_timestamp( $args ) { // Only touch e-mails coming from the Divi contact form. if ( isset( $_POST['et_pb_contactform_submit'] ) ) { $timestamp = current_time( 'Y-m-d H:i' ); // WP time-zone aware. $args['subject'] .= ' | ' . $timestamp; // Append to existing subject. } return $args; } wedding australia adelaide melita jimmy matthias friel 0033 - Matthias Friel: Professioneller Fotograf in Berlin, Brandenburg und weltweit