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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 |
---|---|
415 | * Possible hook names include: |
416 | * |
417 | * - `category_pre_add_form` |
418 | * - `post_tag_pre_add_form` |
419 | * |
420 | * @since 3.0.0 |
421 | * |
422 | * @param string $taxonomy The taxonomy slug. |
423 | */ |
424 | do_action( "{$taxonomy}_pre_add_form", $taxonomy ); |
425 | ?> |
426 |
|
427 | <div class="form-wrap"> |
428 | <h2><?php echo $tax->labels->add_new_item; ?></h2> |
429 | <form id="addtag" method="post" action="edit-tags.php" class="validate" |
430 | <?php |
431 | /** |
432 | * Fires inside the Add Tag form tag. |
433 | * |