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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 |
|---|---|
| 487 | } else { |
| 488 | $k = count($blah); |
| 489 | $use_dotdotdot = 0; |
| 490 | } |
| 491 | $excerpt = ''; |
| 492 | for ($i=0; $i<$k; $i++) { |
| 493 | $excerpt .= $blah[$i] . ' '; |
| 494 | } |
| 495 | $excerpt .= ($use_dotdotdot) ? '…' : ''; |
| 496 | return apply_filters('get_comment_excerpt', $excerpt); |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * Display the excerpt of the current comment. |
| 501 | * |
| 502 | * @since 1.2.0 |
| 503 | * |
| 504 | * @param int $comment_ID Optional. The ID of the comment for which to print the excerpt. Default current comment. |
| 505 | */ |