3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php printf("2 ** 3 == %d\n", 2 ** 3); printf("2 ** 3 ** 4 == %d\n", 2 ** 3 ** 4); printf("(2 ** 3) ** 4 == %d\n", (2 ** 3) ** 4); printf("2 ** (3 ** 4) == %d\n", 2 ** (3 ** 4)); $a = 2; $a **= 3; printf("a == %d\n", $a);
based on v82Af
Output for 5.6.8 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2 ** 3 == 8 2 ** 3 ** 4 == 0 (2 ** 3) ** 4 == 4096 2 ** (3 ** 4) == 0 a == 8
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.5.35
Parse error: syntax error, unexpected '*' in /in/adDmr on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '*' in /in/adDmr on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/adDmr on line 2
Process exited with code 255.