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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 |
|---|---|
| 908 | unset($sidebars_widgets['array_version']); |
| 909 | |
| 910 | /** |
| 911 | * Filters the list of sidebars and their widgets. |
| 912 | * |
| 913 | * @since 2.7.0 |
| 914 | * |
| 915 | * @param array $sidebars_widgets An associative array of sidebars and their widgets. |
| 916 | */ |
| 917 | return apply_filters( 'sidebars_widgets', $sidebars_widgets ); |
| 918 | } |
| 919 | |
| 920 | /** |
| 921 | * Set the sidebar widget option to update sidebars. |
| 922 | * |
| 923 | * @since 2.2.0 |
| 924 | * @access private |
| 925 | * |
| 926 | * @global array $_wp_sidebars_widgets |