php-sandbox/config.php.dist

<?php

return array(
    // how many spaces to use for indention, 0 will make it use real tabs
    'tabsize' => 4,

    // whitelist of IPs which don't need to be authenticated
    // use '*' to allow any IP
    'ip_whitelist' => array('127.0.0.1', '::1'),

    // bootstrap file, if defined this file will be included before
    // the code entered by the user is evaluated. any variables and classes
    // defined here will be accessible by the eval'd code
    'bootstrap' => null,
);