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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 |
---|---|
678 | /** |
679 | * Filters the comment excerpt for display. |
680 | * |
681 | * @since 1.2.0 |
682 | * @since 4.1.0 The `$comment_id` parameter was added. |
683 | * |
684 | * @param string $comment_excerpt The comment excerpt text. |
685 | * @param string $comment_id The comment ID as a numeric string. |
686 | */ |
687 | echo apply_filters( 'comment_excerpt', $comment_excerpt, $comment->comment_ID ); |
688 | } |
689 |
|
690 | /** |
691 | * Retrieves the comment ID of the current comment. |
692 | * |
693 | * @since 1.5.0 |
694 | * |
695 | * @return string The comment ID as a numeric string. |
696 | */ |