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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 |
---|---|
599 | $tag = get_term($tag, 'post_tag'); |
600 |
|
601 | if ( !current_user_can('manage_categories') ) |
602 | return; |
603 |
|
604 | if ( empty($link) ) |
605 | $link = __('Edit This'); |
606 |
|
607 | $link = '<a href="' . get_edit_tag_link( $tag->term_id ) . '" title="' . __( 'Edit tag' ) . '">' . $link . '</a>'; |
608 | echo $before . apply_filters( 'edit_tag_link', $link, $tag->term_id ) . $after; |
609 | } |
610 |
|
611 | /** |
612 | * Retrieve the permalink for the feed of the search results. |
613 | * |
614 | * @since 2.5.0 |
615 | * |
616 | * @param string $search_query Optional. Search query. |
617 | * @param string $feed Optional. Feed type. |