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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 328 | } |
| 329 | |
| 330 | // Trigger background updates if running non-interactively, and we weren't called from the update handler. |
| 331 | if ( $doing_cron && ! doing_action( 'wp_maybe_auto_update' ) ) { |
| 332 | /** |
| 333 | * Fires during wp_cron, starting the auto-update process. |
| 334 | * |
| 335 | * @since 3.9.0 |
| 336 | */ |
| 337 | do_action( 'wp_maybe_auto_update' ); |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Checks for available updates to plugins based on the latest versions hosted on WordPress.org. |
| 343 | * |
| 344 | * Despite its name this function does not actually perform any updates, it only checks for available updates. |
| 345 | * |
| 346 | * A list of all plugins installed is sent to api.wordpress.org, along with the site locale. |