symfony/polyfill-php70

Extra Credit builds an outline of symfony/polyfill-php70's docs the first time your work uses it. Until then, start at the official documentation.

• spatie/backtrace A better backtrace
• evenement/evenement Événement is a very simple event dispatching library for PHP
• symfony/security-bundle Provides a tight integration of the Security component into the Symfony full-stack framework
• doctrine/doctrine-migrations-bundle Symfony DoctrineMigrationsBundle
• dasprid/enum PHP 7.1 enum implementation
• symfony/asset Manages URL generation and versioning of web assets such as CSS stylesheets, JavaScript files and image files
• seld/phar-utils PHAR file format utilities, for when PHP phars you up
• composer/package-versions-deprecated Composer plugin that provides efficient querying for installed package versions (no runtime IO)
• dealerdirect/phpcodesniffer-composer-installer PHP_CodeSniffer Standards Composer Installer Plugin
• defuse/php-encryption Secure PHP Encryption Library
• elasticsearch/elasticsearch PHP Client for Elasticsearch
• symfony/security-http Symfony Security Component - HTTP Integration