phpBB benchmark on acl method...

<?php
define('IN_PHPBB', true);
$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
include($phpbb_root_path . 'common.' . $phpEx);

// Start session management
$user->session_begin();
$auth->acl($user->data);
$admin_acl = $auth->acl_get('a_');
$loop = $loop2 = 0;

$time1 = microtime(true);
while ($loop < 1000)
{
    if ( $auth->acl_get('a_') )
    {
        $loop++;
    }
    else
    {
        $loop++;
    }

}
$final_time1 = (microtime(true) - $time1);

$time2 = microtime(true);

while ($loop2 < 1000)
{
    if ( $admin_acl )
    {
        $loop2++;
    }
    else
    {
        $loop2++;
    }
}

$final_time2 = (microtime(true) - $time2);

$result = 'While acl(method) time:' . $final_time1 . 's<br />' . 'While acl(var) time:' . $final_time2 . 's';

trigger_error($result);

?>