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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 |
|---|---|
| 99 | 'show_author' => 0, |
| 100 | 'show_date' => 0, |
| 101 | ); |
| 102 | } |
| 103 | wp_add_dashboard_widget( 'dashboard_secondary', $widget_options['dashboard_secondary']['title'], 'wp_dashboard_secondary', 'wp_dashboard_secondary_control' ); |
| 104 | |
| 105 | // Hook to register new widgets |
| 106 | // Filter widget order |
| 107 | if ( is_network_admin() ) { |
| 108 | do_action( 'wp_network_dashboard_setup' ); |
| 109 | $dashboard_widgets = apply_filters( 'wp_network_dashboard_widgets', array() ); |
| 110 | } elseif ( is_user_admin() ) { |
| 111 | do_action( 'wp_user_dashboard_setup' ); |
| 112 | $dashboard_widgets = apply_filters( 'wp_user_dashboard_widgets', array() ); |
| 113 | } else { |
| 114 | do_action( 'wp_dashboard_setup' ); |
| 115 | $dashboard_widgets = apply_filters( 'wp_dashboard_widgets', array() ); |
| 116 | } |
| 117 | |