A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 18

Filename: controllers/Welcome.php

Line Number: 84

Backtrace:

File: E:\ServerData\phpStudy2018\PHPTutorial\WWW\dinfo\torosushi\application\controllers\Welcome.php
Line: 84
Function: _error_handler

File: E:\ServerData\phpStudy2018\PHPTutorial\WWW\dinfo\torosushi\index.php
Line: 315
Function: require_once

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