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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 |
|---|---|
| 396 | * Filters the list of available list table views. |
| 397 | * |
| 398 | * The dynamic portion of the hook name, `$this->screen->id`, refers |
| 399 | * to the ID of the current screen, usually a string. |
| 400 | * |
| 401 | * @since 3.1.0 |
| 402 | * |
| 403 | * @param string[] $views An array of available list table views. |
| 404 | */ |
| 405 | $views = apply_filters( "views_{$this->screen->id}", $views ); |
| 406 | |
| 407 | if ( empty( $views ) ) { |
| 408 | return; |
| 409 | } |
| 410 | |
| 411 | $this->screen->render_screen_reader_content( 'heading_views' ); |
| 412 | |
| 413 | echo "<ul class='subsubsub'>\n"; |
| 414 | foreach ( $views as $class => $view ) { |