weird characters when using FPDF PHP?

Question

I\'m getting this output when using FPDF library to generate a pdf file.

%PDF-1.3 3 0 obj <> endobj 4 0 obj <> stream x�U��n�0��<�ˁ�7��8\'�!Z��

Answer 1

You need to add an exit(); at the end of your code. taken from https://expressionengine.com/forums/archive/topic/188158/pdf-and-http-headers and tested its working with php 7.2 with codeigniter 4.0