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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 |
|---|---|
| 233 | } |
| 234 | |
| 235 | // Trigger background updates if running non-interactively, and we weren't called from the update handler. |
| 236 | if ( $doing_cron && ! doing_action( 'wp_maybe_auto_update' ) ) { |
| 237 | /** |
| 238 | * Fires during wp_cron, starting the auto update process. |
| 239 | * |
| 240 | * @since 3.9.0 |
| 241 | */ |
| 242 | do_action( 'wp_maybe_auto_update' ); |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * Check plugin versions against the latest versions hosted on WordPress.org. |
| 248 | * |
| 249 | * The WordPress version, PHP version, and Locale is sent along with a list of |
| 250 | * all plugins installed. Checks against the WordPress server at |
| 251 | * api.wordpress.org. Will only check if WordPress isn't installing. |