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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 |
|---|---|
| 679 | if ( !current_user_can($tax->cap->edit_terms) ) |
| 680 | return; |
| 681 | |
| 682 | $tag = get_term($tag, 'post_tag'); |
| 683 | |
| 684 | if ( empty($link) ) |
| 685 | $link = __('Edit This'); |
| 686 | |
| 687 | $link = '<a href="' . get_edit_tag_link( $tag->term_id ) . '" title="' . __( 'Edit Tag' ) . '">' . $link . '</a>'; |
| 688 | echo $before . apply_filters( 'edit_tag_link', $link, $tag->term_id ) . $after; |
| 689 | } |
| 690 | |
| 691 | /** |
| 692 | * Retrieve permalink for search. |
| 693 | * |
| 694 | * @since 3.0.0 |
| 695 | * @param string $query Optional. The query string to use. If empty the current query is used. |
| 696 | * @return string |
| 697 | */ |