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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 |
|---|---|
| 2438 | * is by design to maintain backwards-compatibility and guard against |
| 2439 | * potential type errors in PHP 8.1+. Non-boolean values (even falsey |
| 2440 | * and truthy values) will result in the function returning false. |
| 2441 | * |
| 2442 | * @since 5.9.0 |
| 2443 | * |
| 2444 | * @param bool $is_viewable Whether the post status is "viewable" (strict type). |
| 2445 | * @param stdClass $post_status Post status object. |
| 2446 | */ |
| 2447 | return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status ); |
| 2448 | } |
| 2449 | |
| 2450 | /** |
| 2451 | * Determines whether a post is publicly viewable. |
| 2452 | * |
| 2453 | * Posts are considered publicly viewable if both the post status and post type |
| 2454 | * are viewable. |
| 2455 | * |
| 2456 | * @since 5.7.0 |