system environment/libraries
- php-embedded - PHP library for embedding in applications
- php-enchant - Enchant spelling extension for PHP applications
- php-ffi - Foreign Function Interface
- php-intl - Internationalization extension for PHP applications
- php-json - JavaScript Object Notation extension for PHP
- php-pspell - A module for PHP applications for using pspell interfaces
- php-sodium - Wrapper for the Sodium cryptographic library