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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 |
|---|---|
| 353 | function get_comment_author_link() { |
| 354 | global $comment; |
| 355 | $url = get_comment_author_url(); |
| 356 | $author = get_comment_author(); |
| 357 | |
| 358 | if ( empty( $url ) || 'http://' == $url ) |
| 359 | $return = $author; |
| 360 | else |
| 361 | $return = "<a href='$url' rel='external nofollow'>$author</a>"; |
| 362 | return apply_filters('get_comment_author_link', $return); |
| 363 | } |
| 364 | |
| 365 | function comment_author_link() { |
| 366 | echo get_comment_author_link(); |
| 367 | } |
| 368 | |
| 369 | function get_comment_type() { |
| 370 | global $comment; |
| 371 | |