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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 |
|---|---|
| 2314 | * is by design to maintain backwards-compatibility and guard against |
| 2315 | * potential type errors in PHP 8.1+. Non-boolean values (even falsey |
| 2316 | * and truthy values) will result in the function returning false. |
| 2317 | * |
| 2318 | * @since 5.9.0 |
| 2319 | * |
| 2320 | * @param bool $is_viewable Whether the post status is "viewable" (strict type). |
| 2321 | * @param stdClass $post_status Post status object. |
| 2322 | */ |
| 2323 | return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status ); |
| 2324 | } |
| 2325 | |
| 2326 | /** |
| 2327 | * Determines whether a post is publicly viewable. |
| 2328 | * |
| 2329 | * Posts are considered publicly viewable if both the post status and post type |
| 2330 | * are viewable. |
| 2331 | * |
| 2332 | * @since 5.7.0 |