get_comment_author_url() WP 1.0

Retrieve the url of the author of the current comment.

Hooks in function

Return

String. Comment author URL.

Usage

get_comment_author_url( $comment_ID );

$comment_ID(int/WP_Comment)

WP_Comment or the ID of the comment for which to get the author's URL.
Default: current comment

Code of get comment author url: wp-includes/comment-template.php ^{VER 5.1.1}

<?php
function get_comment_author_url( $comment_ID = 0 ) {
	$comment = get_comment( $comment_ID );
	$url     = '';
	$id      = 0;
	if ( ! empty( $comment ) ) {
		$author_url = ( 'http://' == $comment->comment_author_url ) ? '' : $comment->comment_author_url;
		$url        = esc_url( $author_url, array( 'http', 'https' ) );
		$id         = $comment->comment_ID;
	}

	/**
	 * Filters the comment author's URL.
	 *
	 * @since 1.5.0
	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
	 *
	 * @param string     $url        The comment author's URL.
	 * @param int        $comment_ID The comment ID.
	 * @param WP_Comment $comment    The comment object.
	 */
	return apply_filters( 'get_comment_author_url', $url, $id, $comment );
}

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From tag: Comments

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