Adds badges to EDD reviews / review comments for admins & vendors

edd-review-admin-badge.php

/**
 * Add a badge for admins and vendors to product reviews / review comments.
 *
 * @param string $author_html	displays comment author's name linked to comment author's site
 * @param string $author	comment author's display name
 * @param int $comment_id	comment ID
 * @return string $author_html updated author html preceded by badge.
 */
function sww_edd_review_admin_badges( $author_html, $author, $comment_id ) {
  
	if ( is_admin() || ! is_singular( 'download' ) ) {
		return $author_html;
	}
	
	$user_id = get_comment( $comment_id )->user_id;

	if ( $user_id ) {
  
		$roles = get_userdata( $user_id )->roles;

		if ( in_array( 'administrator', $roles ) ) {
			// Set the badge text to display for administrators.
			$badge_text = 'admin';
	  	} elseif( in_array( 'frontend_vendor', $roles ) ) {
			// Set the badge text for shop vendors
			$badge_text = 'vendor';
		} else {
		 	return $author_html; 
		}
		
		// Adjust the badge CSS as desired here
		$style = 'display: inline-block; background: #666; color: #fff; padding: 3px 5px; border-radius: 3px; margin-right: 5px;';

		$author_html =  '<div class="review-badge" style="' . $style . '">' . $badge_text . '</div>' . $author_html;
	}

	return $author_html;
}
add_filter( 'get_comment_author_link', 'sww_edd_review_admin_badges', 10, 3 );