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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 |
|---|---|
| 118 | 'widget_id' => $widget_id, // Yes - again. This is required: oddity in widget code |
| 119 | 'arg' => an arg to pass to the $control_output_callback, |
| 120 | 'another' => another arg to pass to the $control_output_callback, |
| 121 | ... |
| 122 | ) |
| 123 | ); |
| 124 | */ |
| 125 | |
| 126 | // Hook to register new widgets |
| 127 | do_action( 'wp_dashboard_setup' ); |
| 128 | |
| 129 | // Hard code the sidebar's widgets and order |
| 130 | $dashboard_widgets = array(); |
| 131 | $dashboard_widgets[] = 'dashboard_recent_comments'; |
| 132 | $dashboard_widgets[] = 'dashboard_incoming_links'; |
| 133 | $dashboard_widgets[] = 'dashboard_primary'; |
| 134 | if ( current_user_can( 'activate_plugins' ) ) |
| 135 | $dashboard_widgets[] = 'dashboard_plugins'; |
| 136 | $dashboard_widgets[] = 'dashboard_secondary'; |