3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0x0+2; $b = 0x0 +2; $c = 0x0+ 2; $d = 0x0 + 2; $e = 0x0+0x2; $f = 0x0 +0x2; $g = 0x0+ 0x2; $h = 0x0 + 0x2; echo $a .'\n'; echo $b .'\n'; echo $c .'\n'; echo $d .'\n'; echo $e .'\n'; echo $f .'\n'; echo $g .'\n'; echo $h .'\n';
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.11 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 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
2\n2\n2\n2\n2\n2\n2\n2\n
Output for 5.3.0 - 5.3.10
4\n4\n2\n2\n4\n4\n2\n2\n
preferences:
273.45 ms | 401 KiB | 385 Q