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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 |
|---|---|
| 471 | $classes[] = 'search-paged-' . $page; |
| 472 | } |
| 473 | |
| 474 | if ( !empty($class) ) { |
| 475 | if ( !is_array( $class ) ) |
| 476 | $class = preg_split('#\s+#', $class); |
| 477 | $classes = array_merge($classes, $class); |
| 478 | } |
| 479 | |
| 480 | return apply_filters('body_class', $classes, $class); |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * Whether post requires password and correct password has been provided. |
| 485 | * |
| 486 | * @since 2.7.0 |
| 487 | * |
| 488 | * @param int|object $post An optional post. Global $post used if not provided. |
| 489 | * @return bool false if a password is not required or the correct password cookie is present, true otherwise. |