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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 |
|---|---|
| 244 | <?php wp_popular_terms_checklist('category'); ?> |
| 245 | </ul> |
| 246 | </div> |
| 247 | |
| 248 | </div> |
| 249 | </div> |
| 250 | |
| 251 | <?php do_meta_boxes('post', 'normal', $post); ?> |
| 252 | |
| 253 | <?php do_action('edit_form_advanced'); ?> |
| 254 | |
| 255 | <h2><?php _e('Advanced Options'); ?></h2> |
| 256 | |
| 257 | <div id="postexcerpt" class="postbox <?php echo postbox_classes('postexcerpt', 'post'); ?>"> |
| 258 | <h3><?php _e('Excerpt') ?></h3> |
| 259 | <div class="inside"><textarea rows="1" cols="40" name="excerpt" tabindex="6" id="excerpt"><?php echo $post->post_excerpt ?></textarea> |
| 260 | <p><?php _e('Excerpts are optional hand-crafted summaries of your content. You can <a href="http://codex.wordpress.org/Template_Tags/the_excerpt" target="_blank">use them in your template</a>'); ?></p> |
| 261 | </div> |
| 262 | </div> |