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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 |
|---|---|
| 256 | * adjust core updates. |
| 257 | * |
| 258 | * @since 3.7.0 |
| 259 | * @since 5.5.0 The `$update` parameter accepts the value of null. |
| 260 | * |
| 261 | * @param bool|null $update Whether to update. The value of null is internally used |
| 262 | * to detect whether nothing has hooked into this filter. |
| 263 | * @param object $item The update offer. |
| 264 | */ |
| 265 | $update = apply_filters( "auto_update_{$type}", $update, $item ); |
| 266 | |
| 267 | if ( ! $update ) { |
| 268 | if ( 'core' === $type ) { |
| 269 | $this->send_core_update_notification_email( $item ); |
| 270 | } |
| 271 | return false; |
| 272 | } |
| 273 | |
| 274 | // If it's a core update, are we actually compatible with its requirements? |