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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 |
|---|---|
| 283 | } |
| 284 | |
| 285 | // Trigger background updates if running non-interactively, and we weren't called from the update handler. |
| 286 | if ( $doing_cron && ! doing_action( 'wp_maybe_auto_update' ) ) { |
| 287 | /** |
| 288 | * Fires during wp_cron, starting the auto-update process. |
| 289 | * |
| 290 | * @since 3.9.0 |
| 291 | */ |
| 292 | do_action( 'wp_maybe_auto_update' ); |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | /** |
| 297 | * Checks for available updates to plugins based on the latest versions hosted on WordPress.org. |
| 298 | * |
| 299 | * Despite its name this function does not actually perform any updates, it only checks for available updates. |
| 300 | * |
| 301 | * A list of all plugins installed is sent to WP, along with the site locale. |