Zend Server and PHP Upgrade on IBM i Question

We are on V7.1 IBM i power 7 and are currently running Zend server 8.0.2
with PHP 5.6.7.

We are looking to upgrade to a more current version and I was wondering if
anyone running on IBM i has done the leap to Zend server 9.1.0 with PHP
7.1 ? Any concerns, gotchas, pros and cons ?

We would also look at upgrading to at least Zend server 8.5.7 that still
comes with PHP 5.6 as I have read that IBM i V7.3 only supports 8.5.3 and
higher.

I will be attending COMMON and see Jim is offering a class on IBM i and
PHP Systems Administration so hopefully can get some good take aways with
that class.


Thanks in advance

Laura

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