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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 |
|---|---|
| 438 | /** |
| 439 | * Fires before the Add Term form for all taxonomies. |
| 440 | * |
| 441 | * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. |
| 442 | * |
| 443 | * @since 3.0.0 |
| 444 | * |
| 445 | * @param string $taxonomy The taxonomy slug. |
| 446 | */ |
| 447 | do_action( "{$taxonomy}_pre_add_form", $taxonomy ); |
| 448 | ?> |
| 449 | |
| 450 | <div class="form-wrap"> |
| 451 | <h2><?php echo $tax->labels->add_new_item; ?></h2> |
| 452 | <form id="addtag" method="post" action="edit-tags.php" class="validate" |
| 453 | <?php |
| 454 | /** |
| 455 | * Fires at the beginning of the Add Tag form. |
| 456 | * |