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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 |
---|---|
434 | /** |
435 | * Fires before the Add Term form for all taxonomies. |
436 | * |
437 | * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. |
438 | * |
439 | * @since 3.0.0 |
440 | * |
441 | * @param string $taxonomy The taxonomy slug. |
442 | */ |
443 | do_action( "{$taxonomy}_pre_add_form", $taxonomy ); |
444 | ?> |
445 |
|
446 | <div class="form-wrap"> |
447 | <h2><?php echo $tax->labels->add_new_item; ?></h2> |
448 | <form id="addtag" method="post" action="edit-tags.php" class="validate" |
449 | <?php |
450 | /** |
451 | * Fires at the beginning of the Add Tag form. |
452 | * |