symfony/polyfill-php72

Extra Credit builds an outline of symfony/polyfill-php72's docs the first time your work uses it. Until then, start at the official documentation.

• psr/event-dispatcher Standard interfaces for event handling.
• league/flysystem File storage abstraction for PHP
• paragonie/random_compat PHP 5.x polyfill for random_bytes() and random_int() from PHP 7
• sebastian/type Collection of value objects that represent the types of the PHP type system
• sebastian/resource-operations Provides a list of PHP built-in functions that operate on resources
• vlucas/phpdotenv Loads environment variables from `.env` to `$_ENV` and `$_SERVER` automagically, and optionally to `getenv()`.
• phpunit/php-invoker Invoke callables with a timeout
• doctrine/dbal Powerful PHP database abstraction layer (DBAL) with many features for database schema introspection and management.
• phpoption/phpoption Option Type for PHP
• psy/psysh An interactive shell for modern PHP.
• sebastian/cli-parser Library for parsing CLI options
• sebastian/lines-of-code Library for counting the lines of code in PHP source code