Fetch Mode in Zend Framework

Questions Mezzio
1

I am reading document for Fetch mode zend framework, but when i demo code. It not work.
This is my link document: https://framework.zend.com/manual/1.12/en/zend.db.statement.html

2

ZF 1.X is no longer maintained: you should check the zendframework/zend-db package (and docs) instead.