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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 |
|---|---|
| 614 | unset($_sidebars_widgets); |
| 615 | } |
| 616 | |
| 617 | if ( $update ) |
| 618 | update_option('sidebars_widgets', $sidebars_widgets); |
| 619 | } |
| 620 | |
| 621 | unset($sidebars_widgets['array_version']); |
| 622 | |
| 623 | $sidebars_widgets = apply_filters('sidebars_widgets', $sidebars_widgets); |
| 624 | return $sidebars_widgets; |
| 625 | } |
| 626 | |
| 627 | /** |
| 628 | * Set the sidebar widget option to update sidebars. |
| 629 | * |
| 630 | * @since 2.2.0 |
| 631 | * @access private |
| 632 | * |