Knowing how to compile PHP will open one of the few doors necessary for contributing to the PHP language. Once you get familiar with this it will be much easier for you to contribute in many ways such as running tests and uploading reports, writing new tests by yourself and bug reporting/fixing.
PHP
Oh Dear is now mobile-friendly
Every page in Oh Dear now works on mobile. Not just slapped-on media queries, but reworked layouts: a floating action button for navigation, dedicated mobile card views for monitor lists, scrollable tables with fade hints, Read more…