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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 |
|---|---|
| 318 | meta_form(); |
| 319 | ?> |
| 320 | <div id="ajax-response"></div> |
| 321 | </div> |
| 322 | <p><?php _e('Custom fields can be used to add extra metadata to a post that you can <a href="http://codex.wordpress.org/Using_Custom_Fields" target="_blank">use in your theme</a>.'); ?></p> |
| 323 | <?php |
| 324 | } |
| 325 | add_meta_box('postcustom', __('Custom Fields'), 'post_custom_meta_box', 'post', 'advanced', 'core'); |
| 326 | |
| 327 | do_action('dbx_post_advanced'); |
| 328 | |
| 329 | function post_comment_status_meta_box($post) { |
| 330 | ?> |
| 331 | <input name="advanced_view" type="hidden" value="1" /> |
| 332 | <p><label for="comment_status" class="selectit"> |
| 333 | <input name="comment_status" type="checkbox" id="comment_status" value="open" <?php checked($post->comment_status, 'open'); ?> /> |
| 334 | <?php _e('Allow Comments') ?></label></p> |
| 335 | <p><label for="ping_status" class="selectit"><input name="ping_status" type="checkbox" id="ping_status" value="open" <?php checked($post->ping_status, 'open'); ?> /> <?php _e('Allow Pings') ?></label></p> |
| 336 | <p><?php _e('These settings apply to this post only. “Pings” are <a href="http://codex.wordpress.org/Introduction_to_Blogging#Managing_Comments" target="_blank">trackbacks and pingbacks</a>.'); ?></p> |