| debug | Returns a debug string of the passed on variables |
| debugLite | Returns a lite debug string of passed on variables |
| get | A shortcut to isset($var) ? $var : null |
| getallheaders | Implement getallheaders() for non-apache servers |
| phpDeprecated | Triggers a PHP-level error with the level E_USER_DEPRECATED |
| phpError | Triggers a PHP-level error with the level E_USER_ERROR |
| phpNotice | Triggers a PHP-level error with the level E_USER_NOTICE |
| phpWarning | Triggers a PHP-level error with the level E_USER_WARNING |
| timestampPrecise | Returns a very precise timestamp |