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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 |
|---|---|
| 429 | echo get_comment_author_IP(); |
| 430 | } |
| 431 | |
| 432 | function get_comment_text() { |
| 433 | global $comment; |
| 434 | return apply_filters('get_comment_text', $comment->comment_content); |
| 435 | } |
| 436 | |
| 437 | function comment_text() { |
| 438 | echo apply_filters('comment_text', get_comment_text() ); |
| 439 | } |
| 440 | |
| 441 | function get_comment_excerpt() { |
| 442 | global $comment; |
| 443 | $comment_text = strip_tags($comment->comment_content); |
| 444 | $blah = explode(' ', $comment_text); |
| 445 | if (count($blah) > 20) { |
| 446 | $k = 20; |
| 447 | $use_dotdotdot = 1; |