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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 |
|---|---|
| 72 | } |
| 73 | wp_add_dashboard_widget( 'dashboard_primary', $widget_options['dashboard_primary']['title'], 'wp_dashboard_primary', 'wp_dashboard_primary_control' ); |
| 74 | |
| 75 | // Secondary Feed (Planet) Widget |
| 76 | if ( !isset( $widget_options['dashboard_secondary'] ) ) { |
| 77 | $update = true; |
| 78 | $widget_options['dashboard_secondary'] = array( |
| 79 | 'link' => apply_filters( 'dashboard_secondary_link', __( 'http://planet.wordpress.org/' ) ), |
| 80 | 'url' => apply_filters( 'dashboard_secondary_feed', __( 'http://planet.wordpress.org/feed/' ) ), |
| 81 | 'title' => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ), |
| 82 | 'items' => 5 |
| 83 | ); |
| 84 | } |
| 85 | wp_add_dashboard_widget( 'dashboard_secondary', $widget_options['dashboard_secondary']['title'], 'wp_dashboard_secondary', 'wp_dashboard_secondary_control' ); |
| 86 | |
| 87 | // Hook to register new widgets |
| 88 | do_action( 'wp_dashboard_setup' ); |
| 89 | |
| 90 | // Filter widget order |