3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = 50.1; echo sprintf(%'1.2E',$v);
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.24
Parse error: syntax error, unexpected '%', expecting ')' in /in/6ZZCg on line 3
Process exited with code 255.
preferences:
178.09 ms | 1395 KiB | 61 Q