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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 478 | function wp_unregister_sidebar_widget( $id ) { |
| 479 | |
| 480 | /** |
| 481 | * Fires just before a widget is removed from a sidebar. |
| 482 | * |
| 483 | * @since 3.0.0 |
| 484 | * |
| 485 | * @param int $id The widget ID. |
| 486 | */ |
| 487 | do_action( 'wp_unregister_sidebar_widget', $id ); |
| 488 | |
| 489 | wp_register_sidebar_widget( $id, '', '' ); |
| 490 | wp_unregister_widget_control( $id ); |
| 491 | } |
| 492 | |
| 493 | /** |
| 494 | * Registers widget control callback for customizing options. |
| 495 | * |
| 496 | * @since 2.2.0 |