3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump([ 3 ^ 4, // 7 255 ^ 256, // 511 4 ^ 12 // 8 ]);
Output for 5.6.0 - 5.6.23, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
array(3) { [0]=> int(7) [1]=> int(511) [2]=> int(8) }
preferences:
157.56 ms | 403 KiB | 195 Q