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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 |
|---|---|
| 406 | } else { |
| 407 | /** |
| 408 | * Fires before the Add Tag form. |
| 409 | * |
| 410 | * @since 2.5.0 |
| 411 | * @deprecated 3.0.0 Use {$taxonomy}_pre_add_form instead. |
| 412 | * |
| 413 | * @param string $taxonomy The taxonomy slug. |
| 414 | */ |
| 415 | do_action( 'add_tag_form_pre', $taxonomy ); |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * Fires before the Add Term form for all taxonomies. |
| 420 | * |
| 421 | * The dynamic portion of the hook name, $taxonomy, refers to the taxonomy slug. |
| 422 | * |
| 423 | * @since 3.0.0 |
| 424 | * |