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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 |
---|---|
472 | /** |
473 | * Filters a menu item before it is inserted via the REST API. |
474 | * |
475 | * @since 5.9.0 |
476 | * |
477 | * @param object $prepared_nav_item An object representing a single menu item prepared |
478 | * for inserting or updating the database. |
479 | * @param WP_REST_Request $request Request object. |
480 | */ |
481 | return apply_filters( 'rest_pre_insert_nav_menu_item', $prepared_nav_item, $request ); |
482 | } |
483 |
|
484 | /** |
485 | * Prepares a single post output for response. |
486 | * |
487 | * @since 5.9.0 |
488 | * |
489 | * @param WP_Post $item Post object. |
490 | * @param WP_REST_Request $request Request object. |