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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 |
---|---|
454 | <?php |
455 | if ( ! is_taxonomy_hierarchical( $taxonomy ) ) { |
456 | /** |
457 | * Fires after the Add Tag form fields for non-hierarchical taxonomies. |
458 | * |
459 | * @since 3.0.0 |
460 | * |
461 | * @param string $taxonomy The taxonomy slug. |
462 | */ |
463 | do_action( 'add_tag_form_fields', $taxonomy ); |
464 | } |
465 |
|
466 | /** |
467 | * Fires after the Add Term form fields. |
468 | * |
469 | * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. |
470 | * |
471 | * @since 3.0.0 |
472 | * |