comment_author( int|WP_Comment $comment_ID )

Displays the author of the current comment.


Parameters

$comment_ID

(int|WP_Comment) (Optional) WP_Comment or the ID of the comment for which to print the author. Default current comment.


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More Information

If no name is provided (and “User must fill out name and email” is not enabled under Discussion Options), WordPress will assign “Anonymous” as comment author.


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Source

File: wp-includes/comment-template.php

function comment_author( $comment_ID = 0 ) {
	$comment = get_comment( $comment_ID );
	$author  = get_comment_author( $comment );

	/**
	 * Filters the comment author's name for display.
	 *
	 * @since 1.2.0
	 * @since 4.1.0 The `$comment_ID` parameter was added.
	 *
	 * @param string $author     The comment author's username.
	 * @param string $comment_ID The comment ID as a numeric string.
	 */
	echo apply_filters( 'comment_author', $author, $comment->comment_ID );
}


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Changelog

Changelog
Version Description
4.4.0 Added the ability for $comment_ID to also accept a WP_Comment object.
0.71 Introduced.

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