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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 |
|---|---|
| 1239 | unset($sidebars_widgets['array_version']); |
| 1240 | |
| 1241 | /** |
| 1242 | * Filter the list of sidebars and their widgets. |
| 1243 | * |
| 1244 | * @since 2.7.0 |
| 1245 | * |
| 1246 | * @param array $sidebars_widgets An associative array of sidebars and their widgets. |
| 1247 | */ |
| 1248 | $sidebars_widgets = apply_filters( 'sidebars_widgets', $sidebars_widgets ); |
| 1249 | return $sidebars_widgets; |
| 1250 | } |
| 1251 | |
| 1252 | /** |
| 1253 | * Set the sidebar widget option to update sidebars. |
| 1254 | * |
| 1255 | * @since 2.2.0 |
| 1256 | * @access private |
| 1257 | * |