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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 |
|---|---|
| 715 | * - `taxonomy_labels_category` |
| 716 | * - `taxonomy_labels_post_tag` |
| 717 | * |
| 718 | * @since 4.4.0 |
| 719 | * |
| 720 | * @see get_taxonomy_labels() for the full list of taxonomy labels. |
| 721 | * |
| 722 | * @param object $labels Object with labels for the taxonomy as member variables. |
| 723 | */ |
| 724 | $labels = apply_filters( "taxonomy_labels_{$taxonomy}", $labels ); |
| 725 | |
| 726 | // Ensure that the filtered labels contain all required default values. |
| 727 | $labels = (object) array_merge( (array) $default_labels, (array) $labels ); |
| 728 | |
| 729 | return $labels; |
| 730 | } |
| 731 | |
| 732 | /** |
| 733 | * Adds an already registered taxonomy to an object type. |