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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.
This hook occurs 3 times in this file.
| Line | Code |
|---|---|
| 86 | $authors = get_editable_user_ids( $current_user->id, true, 'page' ); // TODO: ROLE SYSTEM |
| 87 | if ( $post->post_author && !in_array($post->post_author, $authors) ) |
| 88 | $authors[] = $post->post_author; |
| 89 | if ( $authors && count( $authors ) > 1 ) |
| 90 | add_meta_box('pageauthordiv', __('Page Author'), 'post_author_meta_box', 'page', 'normal', 'core'); |
| 91 | |
| 92 | if ( 0 < $post_ID && wp_get_post_revisions( $post_ID ) ) |
| 93 | add_meta_box('revisionsdiv', __('Page Revisions'), 'post_revisions_meta_box', 'page', 'normal', 'core'); |
| 94 | |
| 95 | do_action('do_meta_boxes', 'page', 'normal', $post); |
| 96 | do_action('do_meta_boxes', 'page', 'advanced', $post); |
| 97 | do_action('do_meta_boxes', 'page', 'side', $post); |
| 98 | |
| 99 | require_once('admin-header.php'); |
| 100 | ?> |
| 101 | |
| 102 | <div class="wrap"> |
| 103 | <?php screen_icon(); ?> |
| 104 | <h2><?php echo esc_html( $title ); ?></h2> |
| 105 | |
| 106 | <form name="post" action="page.php" method="post" id="post"> |