How can one check if the necessary library for PDF generation is installed using phpinfo()?

To check if the necessary library for PDF generation is installed using phpinfo(), you can search for the library in the phpinfo() output. Look for entries related to PDF generation libraries such as "PDFlib" or "libharu". If you do not see any information related to PDF generation libraries, it is likely that the necessary library is not installed on your server.

<?php
// Output all information in phpinfo() function
phpinfo();
?>