two-notices.php

two-notices.php

function my_error_notice() {
    ?>
    <div class="error notice">
        <p><?php _e( 'There has been an error. Bummer!', 'my_plugin_textdomain' ); ?></p>
    </div>
    <?php
}
add_action( 'admin_notices', 'my_error_notice' );

function my_update_notice() {
    ?>
    <div class="updated notice">
        <p><?php _e( 'The plugin has been updated, excellent!', 'my_plugin_textdomain' ); ?></p>
    </div>
    <?php
}
add_action( 'admin_notices', 'my_update_notice' );