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<?php /* A new exponent operator is introduced into PHP 5.6 */ var_dump(2 ** 32); // Pre-5.6 you would need pow(2,32) /* Power-tower is supported */ var_dump(2 ** 4 ** 8); // Pre-5.6 this would be pow(2, pow(4, 8)) but the syntax is much easier than nesting functions
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
int(4294967296) float(INF)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '*' in /in/ZrbD7 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '*' in /in/ZrbD7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ZrbD7 on line 3
Process exited with code 255.
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299.13 ms | 401 KiB | 457 Q