get_comment_excerpt()

get_comment_excerpt( int|WP_Comment $comment_id ): string

function get_comment_excerpt( $comment_id = 0 ) {
	$comment = get_comment( $comment_id );

	if ( ! post_password_required( $comment->comment_post_ID ) ) {
		$comment_text = strip_tags( str_replace( array( "\n", "\r" ), ' ', $comment->comment_content ) );
	} else {
		$comment_text = __( 'Password protected' );
	}

	/* translators: Maximum number of words used in a comment excerpt. */
	$comment_excerpt_length = (int) _x( '20', 'comment_excerpt_length' );

	/**
	 * Filters the maximum number of words used in the comment excerpt.
	 *
	 * @since 4.4.0
	 *
	 * @param int $comment_excerpt_length The amount of words you want to display in the comment excerpt.
	 */
	$comment_excerpt_length = apply_filters( 'comment_excerpt_length', $comment_excerpt_length );

	$comment_excerpt = wp_trim_words( $comment_text, $comment_excerpt_length, '…' );

	/**
	 * Filters the retrieved comment excerpt.
	 *
	 * @since 1.5.0
	 * @since 4.1.0 The `$comment_id` and `$comment` parameters were added.
	 *
	 * @param string     $comment_excerpt The comment excerpt text.
	 * @param string     $comment_id      The comment ID as a numeric string.
	 * @param WP_Comment $comment         The comment object.
	 */
	return apply_filters( 'get_comment_excerpt', $comment_excerpt, $comment->comment_ID, $comment );
}