<?php 

    function format_avatar($user)

    {

        static $users = array();



        if(!isset($users[$user['uid']]))

        {

            $avatar_width_height = '';

            $dimensions = explode('|', ($user['avatar']) ? $user['avatardimensions'] : '44|44');

            if(is_array($dimensions) && $dimensions[0] && $dimensions[1])

            {

                $avatar_width_height = " width='{$dimensions[0]}' height='{$dimensions[1]}'";



                list($max_width, $max_height) = explode('x', '50x50');

                if($dimensions[0] > $max_width || $dimensions[1] > $max_height)

                {

                    require_once MYBB_ROOT.'inc/functions_image.php';



                    $scaled_dimensions = scale_image($dimensions[0], $dimensions[1], $max_width, $max_height);

                    $avatar_width_height = " width='{$scaled_dimensions['width']}' height='{$scaled_dimensions['height']}'";

                }

            }



            $users[$user['uid']] = array(

                'avatar' => (!empty($user['avatar']) ? htmlspecialchars_uni($user['avatar']) : $GLOBALS['settings']['bburl'].'/images/default_avatar.gif'),

                'dimensions' => $avatar_width_height

            );

        }



        return $users[$user['uid']];

    }