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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 |
|---|---|
| 156 | add_meta_box('authordiv', __('Author'), 'post_author_meta_box', $post_type, 'normal', 'core'); |
| 157 | } |
| 158 | |
| 159 | if ( post_type_supports($post_type, 'revisions') && 0 < $post_ID && wp_get_post_revisions( $post_ID ) ) |
| 160 | add_meta_box('revisionsdiv', __('Revisions'), 'post_revisions_meta_box', $post_type, 'normal', 'core'); |
| 161 | |
| 162 | do_action('add_meta_boxes', $post_type, $post); |
| 163 | do_action('add_meta_boxes_' . $post_type, $post); |
| 164 | |
| 165 | do_action('do_meta_boxes', $post_type, 'normal', $post); |
| 166 | do_action('do_meta_boxes', $post_type, 'advanced', $post); |
| 167 | do_action('do_meta_boxes', $post_type, 'side', $post); |
| 168 | |
| 169 | add_screen_option('layout_columns', array('max' => 2) ); |
| 170 | |
| 171 | if ( 'post' == $post_type ) { |
| 172 | add_contextual_help($current_screen, |
| 173 | '<p>' . __('The title field and the big Post Editing Area are fixed in place, but you can reposition all the other boxes using drag and drop, and can minimize or expand them by clicking the title bar of the box. Use the Screen Options tab to unhide more boxes (Excerpt, Send Trackbacks, Custom Fields, Discussion, Slug, Author) or to choose a 1- or 2-column layout for this screen.') . '</p>' . |
| 174 | '<p>' . __('<strong>Title</strong> - Enter a title for your post. After you enter a title, you’ll see the permalink below, which you can edit.') . '</p>' . |
| 175 | '<p>' . __('<strong>Post editor</strong> - Enter the text for your post. There are two modes of editing: Visual and HTML. Choose the mode by clicking on the appropriate tab. Visual mode gives you a WYSIWYG editor. Click the last icon in the row to get a second row of controls. The screen icon just before that allows you to expand the edit box to full screen. The HTML mode allows you to enter raw HTML along with your post text. You can insert media files by clicking the icons above the post editor and following the directions.') . '</p>' . |
| 176 | '<p>' . __('<strong>Publish</strong> - You can set the terms of publishing your post in the Publish box. For Status, Visibility, and Publish (immediately), click on the Edit link to reveal more options. Visibility includes options for password-protecting a post or making it stay at the top of your blog indefinitely (sticky). Publish (immediately) allows you to set a future or past date and time, so you can schedule a post to be published in the future or backdate a post.') . '</p>' . |