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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 |
---|---|
507 | <?php |
508 | if ( ! is_taxonomy_hierarchical( $taxonomy ) ) { |
509 | /** |
510 | * Fires after the Add Tag form fields for non-hierarchical taxonomies. |
511 | * |
512 | * @since 3.0.0 |
513 | * |
514 | * @param string $taxonomy The taxonomy slug. |
515 | */ |
516 | do_action( 'add_tag_form_fields', $taxonomy ); |
517 | } |
518 |
|
519 | /** |
520 | * Fires after the Add Term form fields for hierarchical taxonomies. |
521 | * |
522 | * The dynamic portion of the hook name, $taxonomy, refers to the taxonomy slug. |
523 | * |
524 | * @since 3.0.0 |
525 | * |