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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 |
|---|---|
| 386 | <?php |
| 387 | if ( ! is_taxonomy_hierarchical($taxonomy) ) |
| 388 | do_action('add_tag_form_fields', $taxonomy); |
| 389 | do_action($taxonomy . '_add_form_fields', $taxonomy); |
| 390 | |
| 391 | submit_button( $tax->labels->add_new_item, 'button' ); |
| 392 | |
| 393 | // Back compat hooks. Deprecated in preference to {$taxonomy}_add_form |
| 394 | if ( 'category' == $taxonomy ) |
| 395 | do_action('edit_category_form', (object)array('parent' => 0) ); |
| 396 | elseif ( 'link_category' == $taxonomy ) |
| 397 | do_action('edit_link_category_form', (object)array('parent' => 0) ); |
| 398 | else |
| 399 | do_action('add_tag_form', $taxonomy); |
| 400 | |
| 401 | do_action($taxonomy . '_add_form', $taxonomy); |
| 402 | ?> |
| 403 | </form></div> |
| 404 | <?php } ?> |