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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 |
|---|---|
| 782 | * @type string $widget_name Name of the widget. |
| 783 | * } |
| 784 | * @type array $widget_args { |
| 785 | * An array of multi-widget arguments. |
| 786 | * |
| 787 | * @type int $number Number increment used for multiples of the same widget. |
| 788 | * } |
| 789 | * } |
| 790 | */ |
| 791 | $params = apply_filters( 'dynamic_sidebar_params', $params ); |
| 792 | |
| 793 | $callback = $wp_registered_widgets[ $id ]['callback']; |
| 794 | |
| 795 | /** |
| 796 | * Fires before a widget's display callback is called. |
| 797 | * |
| 798 | * Note: The action fires on both the front end and back end, including |
| 799 | * for widgets in the Inactive Widgets sidebar on the Widgets screen. |
| 800 | * |