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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 |
|---|---|
| 216 | |
| 217 | // Remove the last menu item if it is a separator. |
| 218 | $last_menu_key = array_keys( $menu ); |
| 219 | $last_menu_key = array_pop( $last_menu_key ); |
| 220 | if ( !empty( $menu ) && 'wp-menu-separator' == $menu[ $last_menu_key ][ 4 ] ) |
| 221 | unset( $menu[ $last_menu_key ] ); |
| 222 | unset( $last_menu_key ); |
| 223 | |
| 224 | if ( !user_can_access_admin_page() ) { |
| 225 | do_action('admin_page_access_denied'); |
| 226 | wp_die( __('You do not have sufficient permissions to access this page.') ); |
| 227 | } |
| 228 | |
| 229 | $menu = add_menu_classes($menu); |
| 230 | |