Use when adding or refactoring transactional emails in a WordPress plugin — extracting inline HTML strings into reusable templates sharing a branded base shell, implementing the render_template helper (ob_start / include / ob_get_clean), passing variables safely with extract(EXTR_SKIP), sending via
Use when adding or refactoring transactional emails in a WordPress plugin — extracting inline HTML strings into reusable templates sharing a branded base shell, implementing the render_template helper (ob_start / include / ob_get_clean), passing variables safely with extract(EXTR_SKIP), sending via wp_mail(), testing with MockPHPMailer / tests_retrieve_phpmailer_instance(), applying table-based HT