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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 |
---|---|
391 | * Filters the list of available list table views. |
392 | * |
393 | * The dynamic portion of the hook name, `$this->screen->id`, refers |
394 | * to the ID of the current screen, usually a string. |
395 | * |
396 | * @since 3.5.0 |
397 | * |
398 | * @param array $views An array of available list table views. |
399 | */ |
400 | $views = apply_filters( "views_{$this->screen->id}", $views ); |
401 |
|
402 | if ( empty( $views ) ) |
403 | return; |
404 |
|
405 | $this->screen->render_screen_reader_content( 'heading_views' ); |
406 |
|
407 | echo "<ul class='subsubsub'>\n"; |
408 | foreach ( $views as $class => $view ) { |
409 | $views[ $class ] = "\t<li class='$class'>$view"; |