A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 88

Filename: controllers/Welcome.php

Line Number: 99

Backtrace:

File: E:\ServerData\phpStudy2018\PHPTutorial\WWW\greenelephant\application\controllers\Welcome.php
Line: 99
Function: _error_handler

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

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