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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 |
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702 | * @type string $widget_name Name of the widget. |
703 | * } |
704 | * @type array $widget_args { |
705 | * An array of multi-widget arguments. |
706 | * |
707 | * @type int $number Number increment used for multiples of the same widget. |
708 | * } |
709 | * } |
710 | */ |
711 | $params = apply_filters( 'dynamic_sidebar_params', $params ); |
712 |
|
713 | $callback = $wp_registered_widgets[$id]['callback']; |
714 |
|
715 | /** |
716 | * Fires before a widget's display callback is called. |
717 | * |
718 | * Note: The action fires on both the front end and back end, including |
719 | * for widgets in the Inactive Widgets sidebar on the Widgets screen. |
720 | * |