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

疑難雜症萬事通 - 台大 外 校 旁聽 - 前往 https://nol.ntu.edu.tw/nol/coursesearch/search_result.php?alltime=yes&cstype=1&csname=¤t_sem=99-2&op=stu&startrec=1230&week1=&week2=[object HTMLInputElement]&week3=[object HTMLInputElement]&week4=[object HTMLInputElement]&week5=[object HTMLInputElement]&week6=[object HTMLInputElement]
疑難雜症萬事通
在網路上遇到任何問題都可以在這邊找找看唷

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您即將離開本站

並前往 https://nol.ntu.edu.tw/nol/coursesearch/search_result.php?alltime=yes&cstype=1&csname=¤t_sem=99-2&op=stu&startrec=1230&week1=&week2=%5Bobject%20HTMLInputElement%5D&week3=%5Bobject%20HTMLInputElement%5D&week4=%5Bobject%20HTMLInputElement%5D&week5=%5Bobject%20HTMLInputElement%5D&week6=%5Bobject%20HTMLInputElement%5D

是否確定要離開？