Title: show_message
Published: April 25, 2014
Last modified: April 28, 2025

---

# show_message( string|WP_Error $message )

## In this article

 * [Parameters](https://developer.wordpress.org/reference/functions/show_message/?output_format=md#parameters)
 * [Source](https://developer.wordpress.org/reference/functions/show_message/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/functions/show_message/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/functions/show_message/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/functions/show_message/?output_format=md#wp--skip-link--target)

Displays the given administration message.

## 󠀁[Parameters](https://developer.wordpress.org/reference/functions/show_message/?output_format=md#parameters)󠁿

 `$message`string|[WP_Error](https://developer.wordpress.org/reference/classes/wp_error/)
required

## 󠀁[Source](https://developer.wordpress.org/reference/functions/show_message/?output_format=md#source)󠁿

    ```php
    function show_message( $message ) {
    	if ( is_wp_error( $message ) ) {
    		if ( $message->get_error_data() && is_string( $message->get_error_data() ) ) {
    			$message = $message->get_error_message() . ': ' . $message->get_error_data();
    		} else {
    			$message = $message->get_error_message();
    		}
    	}

    	echo "<p>$message</p>\n";
    	wp_ob_end_flush_all();
    	flush();
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/misc.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-admin/includes/misc.php#L610)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/misc.php#L610-L622)

## 󠀁[Related](https://developer.wordpress.org/reference/functions/show_message/?output_format=md#related)󠁿

| Uses | Description | 
| [wp_ob_end_flush_all()](https://developer.wordpress.org/reference/functions/wp_ob_end_flush_all/)`wp-includes/functions.php` |

Flushes all output buffers for PHP 5.2.

  | 
| [is_wp_error()](https://developer.wordpress.org/reference/functions/is_wp_error/)`wp-includes/load.php` |

Checks whether the given variable is a WordPress Error.

  |

| Used by | Description | 
| [WP_Upgrader_Skin::feedback()](https://developer.wordpress.org/reference/classes/wp_upgrader_skin/feedback/)`wp-admin/includes/class-wp-upgrader-skin.php` |

Displays a message about the update.

  | 
| [_redirect_to_about_wordpress()](https://developer.wordpress.org/reference/functions/_redirect_to_about_wordpress/)`wp-admin/includes/update-core.php` |

Redirect to the About WordPress page after a successful upgrade.

  | 
| [do_core_upgrade()](https://developer.wordpress.org/reference/functions/do_core_upgrade/)`wp-admin/update-core.php` |

Upgrades WordPress core display.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/functions/show_message/?output_format=md#changelog)󠁿

| Version | Description | 
| [2.1.0](https://developer.wordpress.org/reference/since/2.1.0/) | Introduced. |

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