Title: WP_Plugin_Dependencies::get_plugin_dirnames
Published: April 3, 2024
Last modified: February 24, 2026

---

# WP_Plugin_Dependencies::get_plugin_dirnames(): array

## In this article

 * [Return](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/get_plugin_dirnames/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/get_plugin_dirnames/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/get_plugin_dirnames/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/get_plugin_dirnames/?output_format=md#changelog)

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

Gets plugin directory names.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/get_plugin_dirnames/?output_format=md#return)󠁿

 array An array of plugin directory names.

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

    ```php
    protected static function get_plugin_dirnames() {
    	if ( is_array( self::$plugin_dirnames ) ) {
    		return self::$plugin_dirnames;
    	}

    	self::$plugin_dirnames = array();

    	$plugin_files = array_keys( self::get_plugins() );
    	foreach ( $plugin_files as $plugin_file ) {
    		$slug                           = self::convert_to_slug( $plugin_file );
    		self::$plugin_dirnames[ $slug ] = $plugin_file;
    	}

    	return self::$plugin_dirnames;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-plugin-dependencies.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/class-wp-plugin-dependencies.php#L741)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-plugin-dependencies.php#L741-L755)

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

| Uses | Description | 
| [WP_Plugin_Dependencies::convert_to_slug()](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/convert_to_slug/)`wp-includes/class-wp-plugin-dependencies.php` |

Converts a plugin filepath to a slug.

  | 
| [WP_Plugin_Dependencies::get_plugins()](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/get_plugins/)`wp-includes/class-wp-plugin-dependencies.php` |

Gets data for installed plugins.

  |

| Used by | Description | 
| [WP_Plugin_Dependencies::get_dependency_filepaths()](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/get_dependency_filepaths/)`wp-includes/class-wp-plugin-dependencies.php` |

Gets the filepath of installed dependencies.

  | 
| [WP_Plugin_Dependencies::check_plugin_dependencies_during_ajax()](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/check_plugin_dependencies_during_ajax/)`wp-includes/class-wp-plugin-dependencies.php` |

Checks plugin dependencies after a plugin is installed via AJAX.

  | 
| [WP_Plugin_Dependencies::display_admin_notice_for_circular_dependencies()](https://developer.wordpress.org/reference/classes/wp_plugin_dependencies/display_admin_notice_for_circular_dependencies/)`wp-includes/class-wp-plugin-dependencies.php` |

Displays an admin notice if circular dependencies are installed.

  |

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

| Version | Description | 
| [6.5.0](https://developer.wordpress.org/reference/since/6.5.0/) | Introduced. |

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