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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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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 |
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