Ubuntu 16.04 version fatal error occurred in ojs install

Software Support
1

Fatall error:call to undefine function xml parser_create() in ojs 3.12 version using php 7.2 version but 12.04 ubuntu version using ojs 2.14 install sucess fully how to slove the ojs 3.12 version install occurred particular error

2

Do you have the php XML module installed and enabled?

$ php -m | grep xml
libxml
xml
xmlreader
xmlwriter

This is typically installed via your system’s package manager, such as yum or apt-get.