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run code in 300+ PHP versions simultaneously
<?php $res = gmp_powm(5, gmp_strval(gmp_powm(5, gmp_strval(gmp_powm(5, gmp_strval(gmp_powm(5, 5, 1)), 1)), 1)), 1); echo gmp_strval($res);
preferences:
54.76 ms | 402 KiB | 5 Q