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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 |
|---|---|
| 1004 | global $comment; |
| 1005 | |
| 1006 | if ( !current_user_can( 'edit_comment', $comment->comment_ID ) ) |
| 1007 | return; |
| 1008 | |
| 1009 | if ( null === $link ) |
| 1010 | $link = __('Edit This'); |
| 1011 | |
| 1012 | $link = '<a class="comment-edit-link" href="' . get_edit_comment_link( $comment->comment_ID ) . '" title="' . esc_attr__( 'Edit comment' ) . '">' . $link . '</a>'; |
| 1013 | echo $before . apply_filters( 'edit_comment_link', $link, $comment->comment_ID ) . $after; |
| 1014 | } |
| 1015 | |
| 1016 | /** |
| 1017 | * Display edit bookmark (literally a URL external to blog) link. |
| 1018 | * |
| 1019 | * @since 2.7.0 |
| 1020 | * |
| 1021 | * @param int $link Optional. Bookmark ID. |
| 1022 | * @return string |