Title: Debug Bar
Author: WordPress.org
Published: <strong>4 novembre 2010</strong>
Last modified: 1 mars 2026

---

Recherche d’extensions

![](https://ps.w.org/debug-bar/assets/banner-772x250.png?rev=3050748)

![](https://ps.w.org/debug-bar/assets/icon.svg?rev=3050748)

# Debug Bar

 Par [WordPress.org](https://profiles.wordpress.org/wordpressdotorg/)

[Télécharger](https://downloads.wordpress.org/plugin/debug-bar.1.1.8.zip)

 * [Détails](https://fr.wordpress.org/plugins/debug-bar/#description)
 * [Avis](https://fr.wordpress.org/plugins/debug-bar/#reviews)
 *  [Installation](https://fr.wordpress.org/plugins/debug-bar/#installation)
 * [Développement](https://fr.wordpress.org/plugins/debug-bar/#developers)

 [Support](https://wordpress.org/support/plugin/debug-bar/)

## Description

Ajoute un menu d’aide au débogage dans la barre d’administration pour visualiser
les requêtes de la base de données, les fichiers cache, et pleins d’autres informations
très instructives et salvatrices.

Un incontournable pour les développeurs et développeuses !

Lorsque WP_DEBUG est activé, il suit les erreurs PHP (Warnings et Notices) pour 
les rendre faciles à trouver.

Lorsque SAVEQUERIES est activé, les requêtes mysql sont journalisées et affichées.

Pour activer ces options, ajoutez le code suivant à votre fichier `wp-config.php`:

    ```
    define( 'WP_DEBUG', true );
    define( 'SAVEQUERIES', true );
    ```

Ajouter une console PHP/MySQL grâce à l’extension [Debug Bar Console](https://wordpress.org/plugins/debug-bar-console/).

There are numerous other add-ons available to get more insight into, for instance,
the registered Post Types, Shortcodes, WP Cron, Language file loading, Actions and
Filters and so on. Just [search the plugin directory for ‘Debug Bar’](https://wordpress.org/plugins/search/debug+bar/).

## Installation

Utiliser l’installateur automatique.

## Avis

![](https://secure.gravatar.com/avatar/e9f5f94041ff4fb0098fc5bd67cdba10151f79aad8e2f9622d7664647925b388?
s=60&d=retro&r=g)

### 󠀁[Simple and easy](https://wordpress.org/support/topic/simple-and-easy-536/)󠁿

 [Lene](https://profiles.wordpress.org/lenesachs/) 27 mars 2026

It works…

![](https://secure.gravatar.com/avatar/cbedb9fe7caa2eae30b6d21614ca98124d474155a8efada5ecfd422989da93fc?
s=60&d=retro&r=g)

### 󠀁[Works perfectly](https://wordpress.org/support/topic/works-perfectly-2898/)󠁿

 [Michael Galli](https://profiles.wordpress.org/galliweb/) 14 novembre 2025

Finding bugs is very easy and efficient with that plugin. I can highly recommend
it.

![](https://secure.gravatar.com/avatar/1b69f074358e8573b4965ea7a3b799f32a4344d8e4e1c4095fed29a9994479ed?
s=60&d=retro&r=g)

### 󠀁[Seemingly abandoned](https://wordpress.org/support/topic/seemingly-abandoned/)󠁿

 [James Hunt](https://profiles.wordpress.org/bonkerz/) 11 juillet 2025

Debug Bar is still listed in WordPress’s own developer documentation as a go-to 
debugging tool, yet it hasn’t been updated in over a year and throws PHP errors.
It’s a clear example of Automattic promoting a tool while failing to maintain it–
a pattern that’s become too common. For a plugin they recommend, its neglect is 
frustrating and undermines developer trust.

![](https://secure.gravatar.com/avatar/73dae15a51428539eb80d1b9a980ad247bfb1c84c58c49f4d1330b9e7ee18897?
s=60&d=retro&r=g)

### 󠀁[Getting translation errors in WP 6.7](https://wordpress.org/support/topic/getting-translation-errors-in-wp-6-7/)󠁿

 [Traci Larson](https://profiles.wordpress.org/treysea/) 23 mai 2025

This is a very useful plugin, but I am getting errors when WP_DEBUG is set to true
based on the updates in WordPress 6.7. Notice: Function _load_textdomain_just_in_time
was called <strong>incorrectly</strong>. I hope there will be an update soon!

![](https://secure.gravatar.com/avatar/c00d5de7fdcf70f8b7620cefb0df0018272bd68f9e9c5aee62f356edad0f0a03?
s=60&d=retro&r=g)

### 󠀁[it must be!](https://wordpress.org/support/topic/it-must-be-2/)󠁿

 [Marcin Pietrzak](https://profiles.wordpress.org/iworks/) 22 novembre 2023

A plugin without which I cannot imagine my work. It would definitely be much more
difficult.

![](https://secure.gravatar.com/avatar/2f3c992f507a3590d8e3cec77ae062da50bf8b4aeb3910f97ac3297e972f1ea7?
s=60&d=retro&r=g)

### 󠀁[Helpful tool](https://wordpress.org/support/topic/helpful-tool-30/)󠁿

 [Mehedi Hasan](https://profiles.wordpress.org/b-07/) 29 juillet 2023

Simple and useful.

 [ Lire les 69 avis ](https://wordpress.org/support/plugin/debug-bar/reviews/)

## Contributeurs/contributrices & développeurs/développeuses

« Debug Bar » est un logiciel libre. Les personnes suivantes ont contribué à cette
extension.

Contributeurs

 *   [ WordPress.org ](https://profiles.wordpress.org/wordpressdotorg/)
 *   [ Ryan Boren ](https://profiles.wordpress.org/ryan/)
 *   [ Peter Westwood ](https://profiles.wordpress.org/westi/)
 *   [ koopersmith ](https://profiles.wordpress.org/koopersmith/)
 *   [ Jon Cave ](https://profiles.wordpress.org/duck_/)
 *   [ mitcho (Michael Yoshitaka Erlewine) ](https://profiles.wordpress.org/mitchoyoshitaka/)
 *   [ Dion Hulse ](https://profiles.wordpress.org/dd32/)
 *   [ Juliette Reinders Folmer ](https://profiles.wordpress.org/jrf/)
 *   [ Konstantin Obenland ](https://profiles.wordpress.org/obenland/)
 *   [ Andrew Nacin ](https://profiles.wordpress.org/nacin/)
 *   [ Evan Solomon ](https://profiles.wordpress.org/evansolomon/)
 *   [ Samuel Wood (Otto) ](https://profiles.wordpress.org/otto42/)
 *   [ Andrija Vučinić ](https://profiles.wordpress.org/aidvu/)
 *   [ Joseph Scott ](https://profiles.wordpress.org/josephscott/)
 *   [ Eoin Gallagher ](https://profiles.wordpress.org/eoigal/)
 *   [ John James Jacoby ](https://profiles.wordpress.org/johnjamesjacoby/)

“Debug Bar” a été traduit dans 17 locales. Remerciez [l’équipe de traduction](https://translate.wordpress.org/projects/wp-plugins/debug-bar/contributors)
pour ses contributions.

[Traduisez « Debug Bar » dans votre langue.](https://translate.wordpress.org/projects/wp-plugins/debug-bar)

### Le développement vous intéresse ?

[Parcourir le code](https://plugins.trac.wordpress.org/browser/debug-bar/), consulter
le [SVN dépôt](https://plugins.svn.wordpress.org/debug-bar/), ou s’inscrire au [journal de développement](https://plugins.trac.wordpress.org/log/debug-bar/)
par [RSS](https://plugins.trac.wordpress.org/log/debug-bar/?limit=100&mode=stop_on_copy&format=rss).

## Journal des modifications

#### 1.1.8

 * Add late output escaping where missing in the `WP_Query` panel.

#### 1.1.7

 * Resolves a PHP Warning in WP 6.7+.

#### 1.1.6

 * 1.1.5 didn’t have the minified CSS rebuilt.

#### 1.1.5

 * Update CSS to remove gradient and shadow styles
 * Use dashicons as action buttons instead of misaligned text.

#### 1.1.4

 * Fix PHP8+ critical error if `php_uname` is disabled

#### 1.1.3

 * Fix notices in HTTP Requests panel when a request is stopped/doesn’t finish.
 * Decode the SQL in the WP_Query panel.

#### 1.1.2

 * Fix error checking in HTTP Requests panel.

#### 1.1.1

 * Refactor the HTTP Requests panel:
 * Remove jQuery usage
 * Properly display response codes
 * Better CSS to emphasize errors and long requests ( > 250ms )

#### 1.1

 * Add a new panel for HTTP requests using the native WP methods.
 * AMP dev mode compatibility.
 * Change cache busters to use `filemtime` instead of hardcoded values.
 * Minor CSS updates, so themes don’t override the `pre` styles.

#### 1.0.1

 * Mise à jour du CSS du panneau de cache des objets pour être prêt pour la nouvelle
   version de object-cache.php avec de meilleures statistiques()

#### 1.0

 * Amélioration de la compatibilité avec la barre d’outils de WordPress.com dans
   Jetpack

#### 0.9

 * Added panel navigation to toolbar.
 * Improved localization support.
 * Security fixes.

#### 0.8.4

 * Mise à jour pour éviter les incompatibilités avec certaines extensions.

#### 0.8.3

 * Mis à jour pour éviter l’avis d’obsolescence de PHP7.

#### 0.8.2

 * Mis à jour pour traiter un nouveau message obsolète dans WordPress 4.0.

#### 0.8.1

 * Correctif de sécurité mineur.

#### 0.8

 * WordPress 3.3 compatibility
 * UI refresh
 * Removed jQuery UI requirement
 * Full screen by default
 * New debug-bar query parameter to show on page load
 * Removed display cookies
 * JavaScript error tracking (disabled by default)

#### 0.7

 * Made compatible with PHP < 5.2.0
 * CSS Tweaks
 * Load JavaScript in Footer
 * Fixed display issues for WP_Query debug on CPT archives pages
 * SQL/DB error tracking

#### 0.6

 * Added maximize/restore button
 * Added cookie to keep track of debug bar state
 * Added post type information to WP_Query tab
 * Bug fix where bottom of page was obscured in the admin

#### 0.5

 * New UI
 * Backend rewritten with a class for each panel
 * Many miscellaneous improvements

#### 0.4.1

 * Mises à jour de compatibilité pour le trunk

#### 0.4

 * Added DB Version information
 * Updated PHP Warning and Notice tracking so that multiple different errors on 
   the same line are tracked
 * Mises à jour de compatibilité pour le trunk

#### 0.3

 * Added WordPress Query infomation
 * Added Request parsing information

#### 0.2

 * Added PHP Notice / Warning tracking when WP_DEBUG enabled
 * Added deprecated function usage tracking

#### 0.1

 * Sortie initiale

## Extension de la communauté

Cette extension est développée et supportée par une communauté. [Contribuez à cette extension](https://github.com/WordPress/debug-bar)

## Méta

 *  Version **1.1.8**
 *  Dernière mise à jour **il y a 1 mois**
 *  Installations actives **20 000+**
 *  Version de WordPress ** 3.4 ou plus **
 *  Testé jusqu’à **7.0**
 *  Langues
 * [Chinese (Taiwan)](https://tw.wordpress.org/plugins/debug-bar/), [Czech](https://cs.wordpress.org/plugins/debug-bar/),
   [Dutch](https://nl.wordpress.org/plugins/debug-bar/), [English (Canada)](https://en-ca.wordpress.org/plugins/debug-bar/),
   [English (US)](https://wordpress.org/plugins/debug-bar/), [French (France)](https://fr.wordpress.org/plugins/debug-bar/),
   [German](https://de.wordpress.org/plugins/debug-bar/), [Italian](https://it.wordpress.org/plugins/debug-bar/),
   [Japanese](https://ja.wordpress.org/plugins/debug-bar/), [Polish](https://pl.wordpress.org/plugins/debug-bar/),
   [Portuguese (Brazil)](https://br.wordpress.org/plugins/debug-bar/), [Portuguese (Portugal)](https://pt.wordpress.org/plugins/debug-bar/),
   [Russian](https://ru.wordpress.org/plugins/debug-bar/), [Spanish (Chile)](https://cl.wordpress.org/plugins/debug-bar/),
   [Spanish (Mexico)](https://es-mx.wordpress.org/plugins/debug-bar/), [Spanish (Spain)](https://es.wordpress.org/plugins/debug-bar/),
   [Spanish (Venezuela)](https://ve.wordpress.org/plugins/debug-bar/), et [Swedish](https://sv.wordpress.org/plugins/debug-bar/).
 *  [Traduisez la dans votre langue](https://translate.wordpress.org/projects/wp-plugins/debug-bar)
 * Étiquette
 * [debug](https://fr.wordpress.org/plugins/tags/debug/)
 *  [Vue avancée](https://fr.wordpress.org/plugins/debug-bar/advanced/)

## Évaluations

 4.1 sur 5 étoiles.

 *  [  51 avis à 5 étoiles     ](https://wordpress.org/support/plugin/debug-bar/reviews/?filter=5)
 *  [  3 avis à 4 étoiles     ](https://wordpress.org/support/plugin/debug-bar/reviews/?filter=4)
 *  [  1 avis à 3 étoile     ](https://wordpress.org/support/plugin/debug-bar/reviews/?filter=3)
 *  [  1 avis à 2 étoile     ](https://wordpress.org/support/plugin/debug-bar/reviews/?filter=2)
 *  [  13 avis à 1 étoiles     ](https://wordpress.org/support/plugin/debug-bar/reviews/?filter=1)

[Your review](https://wordpress.org/support/plugin/debug-bar/reviews/#new-post)

[Voir tous les avis](https://wordpress.org/support/plugin/debug-bar/reviews/)

## Contributeurs

 *   [ WordPress.org ](https://profiles.wordpress.org/wordpressdotorg/)
 *   [ Ryan Boren ](https://profiles.wordpress.org/ryan/)
 *   [ Peter Westwood ](https://profiles.wordpress.org/westi/)
 *   [ koopersmith ](https://profiles.wordpress.org/koopersmith/)
 *   [ Jon Cave ](https://profiles.wordpress.org/duck_/)
 *   [ mitcho (Michael Yoshitaka Erlewine) ](https://profiles.wordpress.org/mitchoyoshitaka/)
 *   [ Dion Hulse ](https://profiles.wordpress.org/dd32/)
 *   [ Juliette Reinders Folmer ](https://profiles.wordpress.org/jrf/)
 *   [ Konstantin Obenland ](https://profiles.wordpress.org/obenland/)
 *   [ Andrew Nacin ](https://profiles.wordpress.org/nacin/)
 *   [ Evan Solomon ](https://profiles.wordpress.org/evansolomon/)
 *   [ Samuel Wood (Otto) ](https://profiles.wordpress.org/otto42/)
 *   [ Andrija Vučinić ](https://profiles.wordpress.org/aidvu/)
 *   [ Joseph Scott ](https://profiles.wordpress.org/josephscott/)
 *   [ Eoin Gallagher ](https://profiles.wordpress.org/eoigal/)
 *   [ John James Jacoby ](https://profiles.wordpress.org/johnjamesjacoby/)

## Support

Quelque chose à dire ? Besoin d’aide ?

 [Voir le forum de support](https://wordpress.org/support/plugin/debug-bar/)