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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 |
|---|---|
| 654 | function get_edit_tag_link( $tag_id = 0, $taxonomy = 'post_tag' ) { |
| 655 | global $post_type; |
| 656 | $tax = get_taxonomy($taxonomy); |
| 657 | if ( !current_user_can($tax->cap->edit_terms) ) |
| 658 | return; |
| 659 | |
| 660 | $tag = get_term($tag_id, $taxonomy); |
| 661 | |
| 662 | $location = admin_url('edit-tags.php?action=edit&taxonomy=' . $taxonomy . '&' . (!empty($post_type) ? 'post_type=' . $post_type .'&' : '') .'tag_ID=' . $tag->term_id); |
| 663 | return apply_filters( 'get_edit_tag_link', $location ); |
| 664 | } |
| 665 | |
| 666 | /** |
| 667 | * Display or retrieve edit tag link with formatting. |
| 668 | * |
| 669 | * @since 2.7.0 |
| 670 | * |
| 671 | * @param string $link Optional. Anchor text. |
| 672 | * @param string $before Optional. Display before edit link. |