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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 |
---|---|
162 |
|
163 | if ( $mc == $i ) { // last item |
164 | $c = $menu[$order][4]; |
165 | $menu[$order][4] = add_cssclass('menu-top-last', $c); |
166 | } |
167 |
|
168 | $lastorder = $order; |
169 | } |
170 |
|
171 | return apply_filters( 'add_menu_classes', $menu ); |
172 | } |
173 |
|
174 | uksort($menu, "strnatcasecmp"); // make it all pretty |
175 |
|
176 | if ( apply_filters('custom_menu_order', false) ) { |
177 | $menu_order = array(); |
178 | foreach ( $menu as $menu_item ) { |
179 | $menu_order[] = $menu_item[2]; |
180 | } |