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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 |
|---|---|
| 1339 | 'title' => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ), |
| 1340 | |
| 1341 | /** |
| 1342 | * Filters the number of secondary link items for the 'WordPress News' dashboard widget. |
| 1343 | * |
| 1344 | * @since 4.4.0 |
| 1345 | * |
| 1346 | * @param string $items How many items to show in the secondary feed. |
| 1347 | */ |
| 1348 | 'items' => apply_filters( 'dashboard_secondary_items', 3 ), |
| 1349 | 'show_summary' => 0, |
| 1350 | 'show_author' => 0, |
| 1351 | 'show_date' => 0, |
| 1352 | ) |
| 1353 | ); |
| 1354 | |
| 1355 | wp_dashboard_cached_rss_widget( 'dashboard_primary', 'wp_dashboard_primary_output', $feeds ); |
| 1356 | } |
| 1357 | |