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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 |
---|---|
575 | * @return string |
576 | */ |
577 | function get_edit_tag_link( $tag_id = 0, $taxonomy = 'post_tag' ) { |
578 | $tag = get_term($tag_id, $taxonomy); |
579 |
|
580 | if ( !current_user_can('manage_categories') ) |
581 | return; |
582 |
|
583 | $location = admin_url('edit-tags.php?action=edit&taxonomy=' . $taxonomy . '&tag_ID=' . $tag->term_id); |
584 | return apply_filters( 'get_edit_tag_link', $location ); |
585 | } |
586 |
|
587 | /** |
588 | * Display or retrieve edit tag link with formatting. |
589 | * |
590 | * @since 2.7.0 |
591 | * |
592 | * @param string $link Optional. Anchor text. |
593 | * @param string $before Optional. Display before edit link. |