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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 |
|---|---|
| 424 | <?php endif; // is_taxonomy_hierarchical() ?> |
| 425 | <div class="form-field"> |
| 426 | <label for="tag-description"><?php _ex('Description', 'Taxonomy Description'); ?></label> |
| 427 | <textarea name="description" id="tag-description" rows="5" cols="40"></textarea> |
| 428 | <p><?php _e('The description is not prominent by default; however, some themes may show it.'); ?></p> |
| 429 | </div> |
| 430 | |
| 431 | <?php |
| 432 | if ( ! is_taxonomy_hierarchical($taxonomy) ) |
| 433 | do_action('add_tag_form_fields', $taxonomy); |
| 434 | do_action($taxonomy . '_add_form_fields', $taxonomy); |
| 435 | |
| 436 | submit_button( $tax->labels->add_new_item ); |
| 437 | |
| 438 | // Back compat hooks. Deprecated in preference to {$taxonomy}_add_form |
| 439 | if ( 'category' == $taxonomy ) |
| 440 | do_action('edit_category_form', (object)array('parent' => 0) ); |
| 441 | elseif ( 'link_category' == $taxonomy ) |
| 442 | do_action('edit_link_category_form', (object)array('parent' => 0) ); |