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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 |
|---|---|
| 895 | unset($sidebars_widgets['array_version']); |
| 896 | |
| 897 | /** |
| 898 | * Filter the list of sidebars and their widgets. |
| 899 | * |
| 900 | * @since 2.7.0 |
| 901 | * |
| 902 | * @param array $sidebars_widgets An associative array of sidebars and their widgets. |
| 903 | */ |
| 904 | return apply_filters( 'sidebars_widgets', $sidebars_widgets ); |
| 905 | } |
| 906 | |
| 907 | /** |
| 908 | * Set the sidebar widget option to update sidebars. |
| 909 | * |
| 910 | * @since 2.2.0 |
| 911 | * @access private |
| 912 | * |
| 913 | * @param array $sidebars_widgets Sidebar widgets and their settings. |