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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 |
---|---|
403 | } |
404 |
|
405 | /** |
406 | * Display the excerpt of the current comment. |
407 | * |
408 | * @since 1.2.0 |
409 | * @uses apply_filters() Calls 'comment_excerpt' hook before displaying excerpt |
410 | */ |
411 | function comment_excerpt() { |
412 | echo apply_filters('comment_excerpt', get_comment_excerpt() ); |
413 | } |
414 |
|
415 | /** |
416 | * Retrieve the comment id of the current comment. |
417 | * |
418 | * @since 1.5.0 |
419 | * @uses $comment |
420 | * @uses apply_filters() Calls the 'get_comment_ID' hook for the comment ID |
421 | * |