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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 |
|---|---|
| 591 | $tag = get_term($tag, 'post_tag'); |
| 592 | |
| 593 | if ( !current_user_can('manage_categories') ) |
| 594 | return; |
| 595 | |
| 596 | if ( empty($link) ) |
| 597 | $link = __('Edit This'); |
| 598 | |
| 599 | $link = '<a href="' . get_edit_tag_link( $tag->term_id ) . '" title="' . __( 'Edit tag' ) . '">' . $link . '</a>'; |
| 600 | echo $before . apply_filters( 'edit_tag_link', $link, $tag->term_id ) . $after; |
| 601 | } |
| 602 | |
| 603 | /** |
| 604 | * Retrieve the permalink for the feed of the search results. |
| 605 | * |
| 606 | * @since 2.5.0 |
| 607 | * |
| 608 | * @param string $search_query Optional. Search query. |
| 609 | * @param string $feed Optional. Feed type. |