3v4l.org

run code in 300+ PHP versions simultaneously
<?php exp2 = 3 ** 3 ** 3;
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '=' in /in/P1C8p on line 2
Process exited with code 255.
preferences:
186.7 ms | 1395 KiB | 67 Q