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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 |
|---|---|
| 417 | return apply_filters('get_comment_author_url_link', $return); |
| 418 | } |
| 419 | |
| 420 | function comment_author_url_link( $linktext = '', $before = '', $after = '' ) { |
| 421 | echo get_comment_author_url_link( $linktext, $before, $after ); |
| 422 | } |
| 423 | |
| 424 | function get_comment_author_IP() { |
| 425 | global $comment; |
| 426 | return apply_filters('get_comment_author_IP', $comment->comment_author_IP); |
| 427 | } |
| 428 | |
| 429 | function comment_author_IP() { |
| 430 | echo get_comment_author_IP(); |
| 431 | } |
| 432 | |
| 433 | function get_comment_text() { |
| 434 | global $comment; |
| 435 | return apply_filters('get_comment_text', $comment->comment_content); |