symfony dynamic fixtures
http://www.symfony-project.org/jobeet/1_2/Propel/en/06#chapter_06_dynamic_fixtures
Example:
UllTimePeriod: # dynamically add a period for the current month current_period: Translation: en: name: <?php echo strftime('%B %Y') . "\n" ?> de: name: <?php echo strftime('%B %Y') . "\n" ?> from_date: <?php echo "'" . date('Y-m' . '-01') . "'\n" ?> to_date: <?php echo "'" . date('Y-m-t') . "'\n" ?> namespace: test