Appendix A: Installing PHP and Libraries

This book is aimed at programmers with at least some basic experience using PHP, so it is likely you already have access to a machine or two with PHP installed. However, many programmers use the versions already preinstalled in web hosting accounts or the default versions provided by package managers and so are unaware of how to compile, install, and tweak PHP and its ecosystem of extensions and libraries directly. Throughout this book you’ve looked at a number of extensions and libraries that provide functional programming structures and helper functions, and I’ve discussed features unique to PHP 7–like type declarations. Your web host or package manager may not have these extensions or versions available ...

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