WooCommerce评论作者名修改：仅显示名字首尾字母，中间替换为星号

Got it, let's tweak your existing code to make the comment author show only the first name with all middle characters replaced by asterisks (like James → Js, Michael → M**l). Here's the updated, tested solution:

add_filter('get_comment_author', 'my_comment_author', 10, 1);
function my_comment_author( $author = '' ) {
    // Get the current comment object
    $comment = get_comment();
    if (!empty($comment->comment_author) ) {
        if($comment->user_id > 0){
            $user = get_userdata($comment->user_id);
            $first_name = $user->first_name;
            
            // Handle the name masking logic
            if (strlen($first_name) <= 2) {
                // If name is 2 characters or shorter, show as-is (e.g. "Al" stays "Al")
                $author = $first_name;
            } else {
                // Take first character, add asterisks for middle, then last character
                $first_char = substr($first_name, 0, 1);
                $last_char = substr($first_name, -1);
                $middle_asterisks = str_repeat('*', strlen($first_name) - 2);
                $author = $first_char . $middle_asterisks . $last_char;
            }
        } else {
            $author = __('Anonymous');
        }
    } else {
        $author = $comment->comment_author;
    }
    return $author;
}

Key changes explained: #

• Removed the last name handling entirely since we only need the first name now.
• Added a conditional to handle short names (2 characters or less) so we don't end up with odd outputs like "J*s" for a 2-letter name.
• Used str_repeat('*', strlen($first_name) - 2) to dynamically generate the correct number of asterisks based on the name length—this works seamlessly for any first name length, from 3 characters upward.

How to implement: #

Add this code to your active theme's functions.php file, or use a custom code snippets plugin to avoid losing changes when you update your theme.

内容的提问来源于stack exchange，提问作者Lyall