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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 |
|---|---|
| 74 | */ |
| 75 | $dashboard_widgets = apply_filters( 'wp_network_dashboard_widgets', array() ); |
| 76 | } elseif ( is_user_admin() ) { |
| 77 | |
| 78 | /** |
| 79 | * Fires after core widgets for the User Admin dashboard have been registered. |
| 80 | * |
| 81 | * @since 3.1.0 |
| 82 | */ |
| 83 | do_action( 'wp_user_dashboard_setup' ); |
| 84 | |
| 85 | /** |
| 86 | * Filter the list of widgets to load for the User Admin dashboard. |
| 87 | * |
| 88 | * @since 3.1.0 |
| 89 | * |
| 90 | * @param array $dashboard_widgets An array of dashboard widgets. |
| 91 | */ |
| 92 | $dashboard_widgets = apply_filters( 'wp_user_dashboard_widgets', array() ); |