jerico-dev/ojs — comment on commit 77425211f7473a1581267f3688a5ae571c8613c3
File: tests/functional/plugins/generic/sword/FunctionalSwordDepositTest.php line 35
By jerico-dev:

AFAIK there's no way of doing automated regression testing for PHP4 with phpunit. And phpunit is the testing framework that has by far most traction in the PHP world so it's practically without alternative nowadays. We'd have to write our own framework to support PHP4 automated tests... :-(