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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 |
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407 | echo $after; |
408 | } |
409 | } |
410 |
|
411 | function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) { |
412 | global $comment; |
413 | $url = get_comment_author_url(); |
414 | $display = ($linktext != '') ? $linktext : $url; |
415 | $return = "$before<a href='$url' rel='external'>$display</a>$after"; |
416 | return apply_filters('get_comment_author_url_link', $return); |
417 | } |
418 |
|
419 | function comment_author_url_link( $linktext = '', $before = '', $after = '' ) { |
420 | echo get_comment_author_url_link( $linktext, $before, $after ); |
421 | } |
422 |
|
423 | function get_comment_author_IP() { |
424 | global $comment; |
425 | return apply_filters('get_comment_author_IP', $comment->comment_author_IP); |