3v4l.org

run code in 300+ PHP versions simultaneously
<?php $y = array("2014","2015","2016","2017","2018","2019","2020"); foreach (array("2014","2015","2016","2017","2018","2019","2020") as $valor) { echo $valor; } ?>
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
2014201520162017201820192020
preferences:
166.54 ms | 404 KiB | 211 Q