comment_author

The timeline below displays how wordpress function comment_author has changed across different WordPress versions. If a version is not listed, refer to the next available version below.

WordPress Version: 6.3

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
 *
 * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to print the author.
 *                                   Default current comment.
 */
function comment_author($comment_id = 0)
{
    $comment = get_comment($comment_id);
    $comment_author = get_comment_author($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 $comment_author The comment author's username.
     * @param string $comment_id     The comment ID as a numeric string.
     */
    echo apply_filters('comment_author', $comment_author, $comment->comment_ID);
}

WordPress Version: 6.2

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
 *
 * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to print the author.
 *                                   Default current comment.
 */
function comment_author($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);
}

WordPress Version: 5.9

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
 *
 * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author.
 *                                   Default current comment.
 */
function comment_author($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);
}

WordPress Version: 5.1

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
 *
 * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author.
 *                                   Default current comment.
 */
function comment_author($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 int    $comment_ID The comment ID.
     */
    echo apply_filters('comment_author', $author, $comment->comment_ID);
}

WordPress Version: 4.6

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
 *
 * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author.
 *									 Default current comment.
 */
function comment_author($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 int    $comment_ID The comment ID.
     */
    echo apply_filters('comment_author', $author, $comment->comment_ID);
}

WordPress Version: 4.4

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
 *
 * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author.
 *									 Default current comment.
 */
function comment_author($comment_ID = 0)
{
    $comment = get_comment($comment_ID);
    $author = get_comment_author($comment);
    /**
     * Filter 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 int    $comment_ID The comment ID.
     */
    echo apply_filters('comment_author', $author, $comment->comment_ID);
}

WordPress Version: 4.3

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 *
 * @param int $comment_ID Optional. The ID of the comment for which to print the author. Default current comment.
 */
function comment_author($comment_ID = 0)
{
    $author = get_comment_author($comment_ID);
    /**
     * Filter 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 int    $comment_ID The comment ID.
     */
    echo apply_filters('comment_author', $author, $comment_ID);
}

WordPress Version: 4.1

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 *
 * @param int $comment_ID Optional. The ID of the comment for which to print the author. Default current comment.
 */
function comment_author($comment_ID = 0)
{
    $author = get_comment_author($comment_ID);
    /**
     * Filter 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 int    $comment_ID The comment ID.
     */
    $author = apply_filters('comment_author', $author, $comment_ID);
    echo $author;
}

WordPress Version: 3.8

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 *
 * @param int $comment_ID Optional. The ID of the comment for which to print the author. Default current comment.
 */
function comment_author($comment_ID = 0)
{
    $author = get_comment_author($comment_ID);
    /**
     * Filter the comment author's name for display.
     *
     * @since 1.2.0
     *
     * @param string $author The comment author's username.
     */
    $author = apply_filters('comment_author', $author);
    echo $author;
}

WordPress Version: 3.7

/**
 * Displays the author of the current comment.
 *
 * @since 0.71
 *
 * @param int $comment_ID Optional. The ID of the comment for which to print the author. Default current comment.
 */
function comment_author($comment_ID = 0)
{
    $author = get_comment_author($comment_ID);
    /**
     * Filter the comment author's name for display.
     *
     * @since 1.2.1
     *
     * @param string $author The comment author's username.
     */
    $author = apply_filters('comment_author', $author);
    echo $author;
}