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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 |
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234 | } |
235 |
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236 | /** |
237 | * Filters administration menus array with classes added for top-level items. |
238 | * |
239 | * @since 2.7.0 |
240 | * |
241 | * @param array $menu Associative array of administration menu items. |
242 | */ |
243 | return apply_filters( 'add_menu_classes', $menu ); |
244 | } |
245 |
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246 | uksort( $menu, 'strnatcasecmp' ); // make it all pretty |
247 |
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248 | /** |
249 | * Filters whether to enable custom ordering of the administration menu. |
250 | * |
251 | * See the {@see 'menu_order'} filter for reordering menu items. |
252 | * |