3v4l.org

run code in 300+ PHP versions simultaneously
<?php $source = sprintf('%s', 5.3); echo $source." → "; $unit = strval(2);
Output for 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
5.3 →

preferences:
49.43 ms | 406 KiB | 5 Q