A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 109
Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 110
Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

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疑難雜症萬事通
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並前往 https://medium.com/%E6%A9%9F%E5%99%A8%E5%AD%B8%E7%BF%92%E7%9F%A5%E8%AD%98%E6%AD%B7%E7%A8%8B/%E6%A9%9F%E5%99%A8%E5%AD%B8%E7%BF%92%E6%AD%B7%E7%A8%8B-chap-1-eda-%E5%A6%82%E4%BD%95%E5%88%A4%E6%96%B7%E8%AE%8A%E6%95%B8%E7%9A%84%E7%9B%B8%E9%97%9C%E6%80%A7-pearson-spearman-or-kendall-tau-c660e6465601

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