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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 |
|---|---|
| 978 | 'link' => apply_filters( 'dashboard_secondary_link', __( 'https://planet.wordpress.org/' ) ), |
| 979 | |
| 980 | /** |
| 981 | * Filter the secondary feed URL for the 'WordPress News' dashboard widget. |
| 982 | * |
| 983 | * @since 2.3.0 |
| 984 | * |
| 985 | * @param string $url The widget's secondary feed URL. |
| 986 | */ |
| 987 | 'url' => apply_filters( 'dashboard_secondary_feed', __( 'https://planet.wordpress.org/feed/' ) ), |
| 988 | |
| 989 | /** |
| 990 | * Filter the secondary link title for the 'WordPress News' dashboard widget. |
| 991 | * |
| 992 | * @since 2.3.0 |
| 993 | * |
| 994 | * @param string $title Title attribute for the widget's secondary link. |
| 995 | */ |
| 996 | 'title' => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ), |