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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 |
|---|---|
| 627 | * |
| 628 | * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. |
| 629 | * |
| 630 | * @since 4.4.0 |
| 631 | * |
| 632 | * @see get_taxonomy_labels() for the full list of taxonomy labels. |
| 633 | * |
| 634 | * @param object $labels Object with labels for the taxonomy as member variables. |
| 635 | */ |
| 636 | $labels = apply_filters( "taxonomy_labels_{$taxonomy}", $labels ); |
| 637 | |
| 638 | // Ensure that the filtered labels contain all required default values. |
| 639 | $labels = (object) array_merge( (array) $default_labels, (array) $labels ); |
| 640 | |
| 641 | return $labels; |
| 642 | } |
| 643 | |
| 644 | /** |
| 645 | * Add an already registered taxonomy to an object type. |