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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 |
|---|---|
| 391 | } else { |
| 392 | $k = count($blah); |
| 393 | $use_dotdotdot = 0; |
| 394 | } |
| 395 | $excerpt = ''; |
| 396 | for ($i=0; $i<$k; $i++) { |
| 397 | $excerpt .= $blah[$i] . ' '; |
| 398 | } |
| 399 | $excerpt .= ($use_dotdotdot) ? '...' : ''; |
| 400 | return apply_filters('get_comment_excerpt', $excerpt); |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * Display the excerpt of the current comment. |
| 405 | * |
| 406 | * @since 1.2.0 |
| 407 | * @uses apply_filters() Calls 'comment_excerpt' hook before displaying excerpt |
| 408 | */ |
| 409 | function comment_excerpt() { |