I have installed a library (TCPDF) by composer and it is working fine, but I need to send full package for client. How can I add library without composer?
You can try to use composer require tecnick.com/tcpdf to solve this problem. TCPDF is a PHP class for generating PDF documents and barcodes. More information is there https://packagist.org/packages/tecnick.com/tcpdf
I found the solution by this way:
It was quit simple but tricky.