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Run different php-cli versions with Docker

I am working on a small PHP library that should use some new features from PHP 7, for example scalar type declarations and return type declarations. But my current Debian 8 has only PHP 5.6.29 for me at the moment. The unstable distribution sid is no option to me and in general I try to avoid installing a specific PHP interpreter on my OS. Fortunately I need PHP only on the command line to test my library so I can use Docker to switch between the versions.

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Web performance checking with sitespeed.io

Sometimes tools are that awesome that you just want to spread the word. I guess I should do that more often. One fantastic tool is sitespeed.io. Sitespeed.io is a set of open source tools that will help you to analyze your website and gives you helpful advices to make your website faster.

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