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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 |
|---|---|
| 946 | 'url' => apply_filters( 'dashboard_primary_feed', __( 'http://wordpress.org/news/feed/' ) ), |
| 947 | |
| 948 | /** |
| 949 | * Filter the primary link title for the 'WordPress News' dashboard widget. |
| 950 | * |
| 951 | * @since 2.3.0 |
| 952 | * |
| 953 | * @param string $title Title attribute for the widget's primary link. |
| 954 | */ |
| 955 | 'title' => apply_filters( 'dashboard_primary_title', __( 'WordPress Blog' ) ), |
| 956 | 'items' => 1, |
| 957 | 'show_summary' => 1, |
| 958 | 'show_author' => 0, |
| 959 | 'show_date' => 1, |
| 960 | ), |
| 961 | 'planet' => array( |
| 962 | |
| 963 | /** |
| 964 | * Filter the secondary link URL for the 'WordPress News' dashboard widget. |