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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 git.master, git.master_jit, rfc.property-hooks
int(4294967296) float(INF)

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