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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 |
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426 | } else { |
427 | /** |
428 | * Fires before the Add Tag form. |
429 | * |
430 | * @since 2.5.0 |
431 | * @deprecated 3.0.0 Use {$taxonomy}_pre_add_form instead. |
432 | * |
433 | * @param string $taxonomy The taxonomy slug. |
434 | */ |
435 | do_action( 'add_tag_form_pre', $taxonomy ); |
436 | } |
437 |
|
438 | /** |
439 | * Fires before the Add Term form for all taxonomies. |
440 | * |
441 | * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. |
442 | * |
443 | * @since 3.0.0 |
444 | * |