How to Upgrade Zend Framework 1 to PHP 7.4 or 8.x

UPDATED SEPTEMBER 15, 2022

Zend Framework

For security, performance, and developer productivity, we encourage PHP users to upgrade to current versions of  PHP.

What gets in the way of upgrading PHP? Often, it’s an old framework release, such as Zend Framework 1 (ZF1), which reached end of life in 2016. This article will show an easy way to upgrade PHP, even with ZF1 applications.

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Migrating from Zend Framework 1 (ZF1) to Newer PHP Frameworks

Over the last few years, we’ve been helping clients upgrade the venerable Zend Framework 1 (ZF1) to newer PHP frameworks. The effort is necessary but not trivial. To help you succeed with your migration, here are some suggestions.