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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 |
---|---|
435 | /** |
436 | * Fires before the Add Term form for all taxonomies. |
437 | * |
438 | * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. |
439 | * |
440 | * @since 3.0.0 |
441 | * |
442 | * @param string $taxonomy The taxonomy slug. |
443 | */ |
444 | do_action( "{$taxonomy}_pre_add_form", $taxonomy ); |
445 | ?> |
446 |
|
447 | <div class="form-wrap"> |
448 | <h3><?php echo $tax->labels->add_new_item; ?></h3> |
449 | <form id="addtag" method="post" action="edit-tags.php" class="validate" |
450 | <?php |
451 | /** |
452 | * Fires at the beginning of the Add Tag form. |
453 | * |