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codeigniteropen-sourcetcpdf

TCPDf error in CodeIgniter

I am using TCPDF, but i encountered these problem. please give me solution.


A PHP Error was encountered

Severity: Notice

Message: Use of undefined constant K_CELL_HEIGHT_RATIO - assumed 'K_CELL_HEIGHT_RATIO'

Filename: libraries/Loader.php

Line Number: 928

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at D:\xampp\htdocs\small projects\project1\system\libraries\Exceptions.php:166)

Filename: tcpdf/tcpdf.php

Line Number: 8060

TCPDF ERROR: Some data has already been output to browser, can't send PDF file

Solution

  • Check out this. You probably doing it wrong.