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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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453 | * - `register_post_post_type_args` |
454 | * - `register_page_post_type_args` |
455 | * |
456 | * @since 6.0.0 |
457 | * |
458 | * @param array $args Array of arguments for registering a post type. |
459 | * See the register_post_type() function for accepted arguments. |
460 | * @param string $post_type Post type key. |
461 | */ |
462 | $args = apply_filters( "register_{$post_type}_post_type_args", $args, $this->name ); |
463 |
|
464 | $has_edit_link = ! empty( $args['_edit_link'] ); |
465 |
|
466 | // Args prefixed with an underscore are reserved for internal use. |
467 | $defaults = array( |
468 | 'labels' => array(), |
469 | 'description' => '', |
470 | 'public' => false, |
471 | 'hierarchical' => false, |