How to make mPDF 6.1 work with PHP 7.1.5

Question

Developed on on a WAMP stack with PHP 5.6, then transferred to LAMP 7.1.5 Everything is working OK except for mPDF 6.1.0 which is giving the following:

Warni         


        

Answer 1

Edit mpdf.php, line 89, replace:

$errorlevel = error_reporting($errorlevel & ~E_NOTICE);

with:

$errorlevel = error_reporting($errorlevel & ~(E_NOTICE|E_WARNING));

Reason: https://stackoverflow.com/a/42044413/8284401