Always attempt to disable XDebug with a simpler conditional
Add a test run for the PHP nightly build, this will basically have us always testing against PHP's master branch going forward (main benefit here is we can test earlier with the latest PHP builds and be more aware if changes in new versions will affect us)
Remove trying to install apcu_bc PECL extension, it's just broken
joomla-cms-bot
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we should remove the hhvm stuff, some parts are still there