Those websites can easily run in a php5 container, whilst the host os is up to date.
Websites depending on an older framework like Zend Framework or libraries like Doctrine 1 do not have a clear upgrade path and are stuck at php5 or have to basically start from scratch. php5 to the latest php8 is just a jump too big.
Websites depending on an older framework like Zend Framework or libraries like Doctrine 1 do not have a clear upgrade path and are stuck at php5 or have to basically start from scratch. php5 to the latest php8 is just a jump too big.