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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 |
---|---|
653 | * Filters the retrieved comment excerpt. |
654 | * |
655 | * @since 1.5.0 |
656 | * @since 4.1.0 The `$comment_id` and `$comment` parameters were added. |
657 | * |
658 | * @param string $excerpt The comment excerpt text. |
659 | * @param string $comment_id The comment ID as a numeric string. |
660 | * @param WP_Comment $comment The comment object. |
661 | */ |
662 | return apply_filters( 'get_comment_excerpt', $excerpt, $comment->comment_ID, $comment ); |
663 | } |
664 |
|
665 | /** |
666 | * Displays the excerpt of the current comment. |
667 | * |
668 | * @since 1.2.0 |
669 | * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object. |
670 | * |
671 | * @param int|WP_Comment $comment_id Optional. WP_Comment or ID of the comment for which to print the excerpt. |