.gitignore file to be used with Symfony2 or 3

Symfony.gitignore

# Cache and logs (Symfony2)
/app/cache/*
/app/logs/*
!app/cache/.gitkeep
!app/logs/.gitkeep

# Email spool folder
/app/spool/*

# Cache, session files and logs (Symfony3)
/var/cache/*
/var/logs/*
/var/sessions/*
!var/cache/.gitkeep
!var/logs/.gitkeep
!var/sessions/.gitkeep

# Parameters
/app/config/parameters.yml
/app/config/parameters.ini

# Managed by Composer
/app/bootstrap.php.cache
/var/bootstrap.php.cache
/bin/*
!bin/console
!bin/symfony_requirements

# Assets and user uploads
/web/bundles/
/web/uploads/

# PHPUnit
/app/phpunit.xml
/phpunit.xml

# Build data
/build/

# Backup entities generated with doctrine:generate:entities command
**/Entity/*~