Config Tricks to speed up Symfony in dev mode.

puphpet-config.yml

php:
    install: '1'
    version: '56'
    composer: '1'
    composer_home: ''
    modules:
        php:
            - cli
            - intl
            - mcrypt
        pear: {  }
        pecl:
            - pecl_http
    ini:
        display_errors: On
        error_reporting: '-1'
        session.save_path: /var/lib/php/session
        # Speed up Symfony load times in dev
        realpath_cache_size: 4096k
        realpath_cache_ttl: 7200
    timezone: America/Chicago
    mod_php: 0

symfony-app-config-config.yml

framework: 
    session:
        # handler_id set to null will use default session handler from php.ini
        handler_id:  ~