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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 |
|---|---|
| 1501 | 'url' => apply_filters( 'dashboard_secondary_feed', __( 'https://planet.wordpress.org/feed/' ) ), |
| 1502 | |
| 1503 | /** |
| 1504 | * Filters the secondary link title for the 'WordPress Events and News' dashboard widget. |
| 1505 | * |
| 1506 | * @since 2.3.0 |
| 1507 | * |
| 1508 | * @param string $title Title attribute for the widget's secondary link. |
| 1509 | */ |
| 1510 | 'title' => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ), |
| 1511 | |
| 1512 | /** |
| 1513 | * Filters the number of secondary link items for the 'WordPress Events and News' dashboard widget. |
| 1514 | * |
| 1515 | * @since 4.4.0 |
| 1516 | * |
| 1517 | * @param string $items How many items to show in the secondary feed. |
| 1518 | */ |
| 1519 | 'items' => apply_filters( 'dashboard_secondary_items', 3 ), |