tml_admin_promotion_notice()

function tml_admin_promotion_notice() {
    $promotion = tml_admin_get_promotion();

    if ( ! $promotion ) {
        return;
    }

    $notice_key = sanitize_key( 'promotion-' . $promotion['code'] . '-' . $promotion['ends'] );

    if ( tml_admin_notice_is_dismissed( $notice_key ) ) {
        return;
    }

    // Ends are exclusive, so the last moment of the sale is a second earlier.
    $ends = wp_date( get_option( 'date_format' ), $promotion['ends'] - 1, new DateTimeZone( $promotion['timezone'] ) );
    ?>
    <div class="notice notice-info tml-notice is-dismissible" data-notice="<?php echo esc_attr( $notice_key ); ?>" data-nonce="<?php echo esc_attr( wp_create_nonce( $notice_key ) ); ?>">
        <p>
            <?php
            echo wp_kses(
                sprintf(
                    /* translators: 1: Sale name, 2: Discount such as 30%, 3: Discount code, 4: Last day of the sale. */
                    __( '<strong>%1$s:</strong> %2$s off Theme My Login extensions with code <strong>%3$s</strong>, through %4$s.', 'theme-my-login' ),
                    esc_html( $promotion['name'] ),
                    esc_html( $promotion['discount'] ),
                    esc_html( $promotion['code'] ),
                    esc_html( $ends )
                ),
                array( 'strong' => array() )
            );
            ?>
        </p>
        <p><a class="button button-primary" href="<?php echo esc_url( $promotion['url'] ); ?>" target="_blank"><?php esc_html_e( 'Shop Extensions', 'theme-my-login' ); ?></a></p>
    </div>
    <?php
}

View src/admin/promotions.php, line 225 on GitHub