php-etl is a PHP 5.5+ library that follows the well-known Extract | Transform | Load pattern.
It provides a few extractors, a few transformers and a few loaders to import csv data into a RDBM for example.
# get composer
php composer.phar install --prefer-dist
bin/pimple-etl config.sample.php # example usage
# get composer
php composer.phar install --prefer-dist --dev
bin/phpspec desc Knp\ETL\Feature\Class
vim src/Knp/ETL/Feature/Class.php
bin/phpspec run -f pretty