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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 |
---|---|
413 |
|
414 | <?php |
415 | if ( ! is_taxonomy_hierarchical($taxonomy) ) |
416 | do_action('add_tag_form_fields', $taxonomy); |
417 | do_action($taxonomy . '_add_form_fields', $taxonomy); |
418 | ?> |
419 | <p class="submit"><input type="submit" class="button" name="submit" id="submit" value="<?php echo esc_attr( $tax->labels->add_new_item ); ?>" /></p> |
420 | <?php |
421 | if ( 'category' == $taxonomy ) |
422 | do_action('edit_category_form', (object)array('parent' => 0) ); // Back compat hook. Deprecated in preference to $taxonomy_add_form |
423 | else |
424 | do_action('add_tag_form', $taxonomy); // Back compat hook. Applies to all Taxonomies -not- categories |
425 | do_action($taxonomy . '_add_form', $taxonomy); |
426 | ?> |
427 | </form></div> |
428 | <?php } ?> |
429 |
|
430 | </div> |
431 | </div><!-- /col-left --> |