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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 |
|---|---|
| 1018 | |
| 1019 | $sidebars_widgets = $_wp_sidebars_widgets; |
| 1020 | } else { |
| 1021 | $sidebars_widgets = get_option('sidebars_widgets', array()); |
| 1022 | } |
| 1023 | |
| 1024 | if ( is_array( $sidebars_widgets ) && isset($sidebars_widgets['array_version']) ) |
| 1025 | unset($sidebars_widgets['array_version']); |
| 1026 | |
| 1027 | $sidebars_widgets = apply_filters('sidebars_widgets', $sidebars_widgets); |
| 1028 | return $sidebars_widgets; |
| 1029 | } |
| 1030 | |
| 1031 | /** |
| 1032 | * Set the sidebar widget option to update sidebars. |
| 1033 | * |
| 1034 | * @since 2.2.0 |
| 1035 | * @access private |
| 1036 | * |