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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 |
|---|---|
| 331 | unset( $last_menu_key ); |
| 332 | |
| 333 | if ( !user_can_access_admin_page() ) { |
| 334 | |
| 335 | /** |
| 336 | * Fires when access to an admin page is denied. |
| 337 | * |
| 338 | * @since 2.5.0 |
| 339 | */ |
| 340 | do_action( 'admin_page_access_denied' ); |
| 341 | |
| 342 | wp_die( __( 'You do not have sufficient permissions to access this page.' ), 403 ); |
| 343 | } |
| 344 | |
| 345 | $menu = add_menu_classes($menu); |
| 346 | |