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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 |
|---|---|
| 1454 | 'title' => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ), |
| 1455 | |
| 1456 | /** |
| 1457 | * Filters the number of secondary link items for the 'WordPress Events and News' dashboard widget. |
| 1458 | * |
| 1459 | * @since 4.4.0 |
| 1460 | * |
| 1461 | * @param string $items How many items to show in the secondary feed. |
| 1462 | */ |
| 1463 | 'items' => apply_filters( 'dashboard_secondary_items', 3 ), |
| 1464 | 'show_summary' => 0, |
| 1465 | 'show_author' => 0, |
| 1466 | 'show_date' => 0, |
| 1467 | ), |
| 1468 | ); |
| 1469 | |
| 1470 | wp_dashboard_cached_rss_widget( 'dashboard_primary', 'wp_dashboard_primary_output', $feeds ); |
| 1471 | } |
| 1472 | |