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Parameters #Parameters

$this

(WP_Upgrader) WP_Upgrader instance. In other contexts, $this, might be a Theme_Upgrader, Plugin_Upgrader, Core_Upgrade, or Language_Pack_Upgrader instance.

$hook_extra

(array) Array of bulk item update data.

• 'action'
  (string) Type of action. Default 'update'.
• 'type'
  (string) Type of update process. Accepts 'plugin', 'theme', 'translation', or 'core'.
• 'bulk'
  (bool) Whether the update process is a bulk update. Default true.
• 'plugins'
  (array) Array of the basename paths of the plugins' main files.
• 'themes'
  (array) The theme slugs.
• 'translations'
  (array) Array of translations update data.
  • 'language'
    (string) The locale the translation is for.
  • 'type'
    (string) Type of translation. Accepts 'plugin', 'theme', or 'core'.
  • 'slug'
    (string) Text domain the translation is for. The slug of a theme/plugin or 'default' for core translations.
  • 'version'
    (string) The version of a theme, plugin, or core.